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145331050 = 2524761843
BaseRepresentation
bin10001010100110…
…01001101101010
3101010110120201111
420222121031222
5244201043200
622230540534
73413202454
oct1052311552
9333416644
10145331050
1175043407
124080774a
1324155a07
14154312d4
15cb5b0ba
hex8a9936a

145331050 has 24 divisors (see below), whose sum is σ = 276071616. Its totient is φ = 56894640.

The previous prime is 145331047. The next prime is 145331051. The reversal of 145331050 is 50133541.

It is a happy number.

It is a super-2 number, since 2×1453310502 = 42242228188205000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145331051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28572 + ... + 33271.

It is an arithmetic number, because the mean of its divisors is an integer number (11502984).

Almost surely, 2145331050 is an apocalyptic number.

145331050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145331050 is a deficient number, since it is larger than the sum of its proper divisors (130740566).

145331050 is a wasteful number, since it uses less digits than its factorization.

145331050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61902 (or 61897 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 145331050 is about 12055.3328448451. The cubic root of 145331050 is about 525.7582995137.

Adding to 145331050 its reverse (50133541), we get a palindrome (195464591).

The spelling of 145331050 in words is "one hundred forty-five million, three hundred thirty-one thousand, fifty".

Divisors: 1 2 5 10 25 47 50 94 235 470 1175 2350 61843 123686 309215 618430 1546075 2906621 3092150 5813242 14533105 29066210 72665525 145331050