156769652 has 12 divisors (see below), whose sum is σ = 295450596. Its totient is φ = 72355200.

The previous prime is 156769637. The next prime is 156769663. The reversal of 156769652 is 256967651.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10214416 + 146555236 = 3196^2 + 12106^2 .

It is a super-2 number, since 2×156769652² = 49153447576402208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 156769597 and 156769606.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1507349 + ... + 1507452.

It is an arithmetic number, because the mean of its divisors is an integer number (24620883).

Almost surely, 2^156769652 is an apocalyptic number.

It is an amenable number.

156769652 is a deficient number, since it is larger than the sum of its proper divisors (138680944).

156769652 is a wasteful number, since it uses less digits than its factorization.

156769652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3014818 (or 3014816 counting only the distinct ones).

The product of its digits is 680400, while the sum is 47.

The square root of 156769652 is about 12520.7688262343. The cubic root of 156769652 is about 539.2051084833.

The spelling of 156769652 in words is "one hundred fifty-six million, seven hundred sixty-nine thousand, six hundred fifty-two".