161452156 has 12 divisors (see below), whose sum is σ = 282985192. Its totient is φ = 80599248.

The previous prime is 161452153. The next prime is 161452163. The reversal of 161452156 is 651254161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161452153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28815 + ... + 33958.

Almost surely, 2^161452156 is an apocalyptic number.

It is an amenable number.

161452156 is a deficient number, since it is larger than the sum of its proper divisors (121533036).

161452156 is a wasteful number, since it uses less digits than its factorization.

161452156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63420 (or 63418 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 161452156 is about 12706.3824907013. The cubic root of 161452156 is about 544.5209785262.

The spelling of 161452156 in words is "one hundred sixty-one million, four hundred fifty-two thousand, one hundred fifty-six".