152656643 has 2 divisors, whose sum is σ = 152656644. Its totient is φ = 152656642.

The previous prime is 152656633. The next prime is 152656663. The reversal of 152656643 is 346656251.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152656643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 152656597 and 152656606.

It is not a weakly prime, because it can be changed into another prime (152656633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76328321 + 76328322.

It is an arithmetic number, because the mean of its divisors is an integer number (76328322).

Almost surely, 2^152656643 is an apocalyptic number.

152656643 is a deficient number, since it is larger than the sum of its proper divisors (1).

152656643 is an equidigital number, since it uses as much as digits as its factorization.

152656643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 38.

The square root of 152656643 is about 12355.4296971008. The cubic root of 152656643 is about 534.4477289290.

The spelling of 152656643 in words is "one hundred fifty-two million, six hundred fifty-six thousand, six hundred forty-three".