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145461570 = 2354848719
BaseRepresentation
bin10001010101110…
…01000101000010
3101010201012202120
420222321011002
5244214232240
622233425110
73414255132
oct1052710502
9333635676
10145461570
1175122481
124086b196
13241a0247
1415466ac2
15cb84ad0
hex8ab9142

145461570 has 16 divisors (see below), whose sum is σ = 349107840. Its totient is φ = 38789744.

The previous prime is 145461557. The next prime is 145461577. The reversal of 145461570 is 75164541.

It is not an unprimeable number, because it can be changed into a prime (145461577) 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, 2424330 + ... + 2424389.

It is an arithmetic number, because the mean of its divisors is an integer number (21819240).

Almost surely, 2145461570 is an apocalyptic number.

145461570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145461570 is an abundant number, since it is smaller than the sum of its proper divisors (203646270).

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

145461570 is a wasteful number, since it uses less digits than its factorization.

145461570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4848729.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 145461570 is about 12060.7450018645. The cubic root of 145461570 is about 525.9156447395.

The spelling of 145461570 in words is "one hundred forty-five million, four hundred sixty-one thousand, five hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 4848719 9697438 14546157 24243595 29092314 48487190 72730785 145461570