61232156 has 12 divisors (see below), whose sum is σ = 107275392. Its totient is φ = 30582048.

The previous prime is 61232153. The next prime is 61232173. The reversal of 61232156 is 65123216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61232153) 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, 4220 + ... + 11843.

It is an arithmetic number, because the mean of its divisors is an integer number (8939616).

Almost surely, 2^61232156 is an apocalyptic number.

It is an amenable number.

61232156 is a deficient number, since it is larger than the sum of its proper divisors (46043236).

61232156 is a wasteful number, since it uses less digits than its factorization.

61232156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17020 (or 17018 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 61232156 is about 7825.0978268645. The cubic root of 61232156 is about 394.1484748808.

It can be divided in two parts, 612 and 32156, that added together give a 15-th power (32768 = 2¹⁵).

The spelling of 61232156 in words is "sixty-one million, two hundred thirty-two thousand, one hundred fifty-six".