151620736 has 16 divisors (see below), whose sum is σ = 302057190. Its totient is φ = 75810304.

The previous prime is 151620727. The next prime is 151620751. The reversal of 151620736 is 637026151.

It can be written as a sum of positive squares in only one way, i.e., 106998336 + 44622400 = 10344^2 + 6680^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 151620698 and 151620707.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 592141 + ... + 592396.

Almost surely, 2^151620736 is an apocalyptic number.

151620736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

151620736 is a deficient number, since it is larger than the sum of its proper divisors (150436454).

151620736 is an equidigital number, since it uses as much as digits as its factorization.

151620736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184551 (or 1184539 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 151620736 is about 12313.4372130612. The cubic root of 151620736 is about 533.2360878253.

Adding to 151620736 its reverse (637026151), we get a palindrome (788646887).

The spelling of 151620736 in words is "one hundred fifty-one million, six hundred twenty thousand, seven hundred thirty-six".