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145314570 = 2354843819
BaseRepresentation
bin10001010100101…
…01001100001010
3101010102202010010
420222111030022
5244200031240
622230332350
73413103432
oct1052251412
9333382103
10145314570
1175031a95
12407ba0b6
132414b36b
14154292c2
15cb56280
hex8a9530a

145314570 has 16 divisors (see below), whose sum is σ = 348755040. Its totient is φ = 38750544.

The previous prime is 145314569. The next prime is 145314571. The reversal of 145314570 is 75413541.

It is an interprime number because it is at equal distance from previous prime (145314569) and next prime (145314571).

It is a super-2 number, since 2×1453145702 = 42232648508569800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 4843819 = 145314570 / (1 + 4 + 5 + 3 + 1 + 4 + 5 + 7 + 0).

It is not an unprimeable number, because it can be changed into a prime (145314571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2421880 + ... + 2421939.

It is an arithmetic number, because the mean of its divisors is an integer number (21797190).

Almost surely, 2145314570 is an apocalyptic number.

145314570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145314570 is an abundant number, since it is smaller than the sum of its proper divisors (203440470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145314570 is a wasteful number, since it uses less digits than its factorization.

145314570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4843829.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 145314570 is about 12054.6493105357. The cubic root of 145314570 is about 525.7384257512.

The spelling of 145314570 in words is "one hundred forty-five million, three hundred fourteen thousand, five hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 4843819 9687638 14531457 24219095 29062914 48438190 72657285 145314570