152621930 has 16 divisors (see below), whose sum is σ = 275602824. Its totient is φ = 60852480.

The previous prime is 152621923. The next prime is 152621933. The reversal of 152621930 is 39126251.

It can be written as a sum of positive squares in 4 ways, for example, as 116273089 + 36348841 = 10783^2 + 6029^2 .

It is a junction number, because it is equal to n+sod(n) for n = 152621893 and 152621902.

It is not an unprimeable number, because it can be changed into a prime (152621933) 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 7 ways as a sum of consecutive naturals, for example, 21251 + ... + 27510.

Almost surely, 2^152621930 is an apocalyptic number.

152621930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

152621930 is a deficient number, since it is larger than the sum of its proper divisors (122980894).

152621930 is a wasteful number, since it uses less digits than its factorization.

152621930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49081.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 152621930 is about 12354.0248502259. The cubic root of 152621930 is about 534.4072160279.

The spelling of 152621930 in words is "one hundred fifty-two million, six hundred twenty-one thousand, nine hundred thirty".