156153738 has 32 divisors (see below), whose sum is σ = 356118336. Its totient is φ = 45220608.

The previous prime is 156153737. The next prime is 156153749. The reversal of 156153738 is 837351651.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 156153696 and 156153705.

It is not an unprimeable number, because it can be changed into a prime (156153733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57556 + ... + 60207.

It is an arithmetic number, because the mean of its divisors is an integer number (11128698).

Almost surely, 2^156153738 is an apocalyptic number.

156153738 is an abundant number, since it is smaller than the sum of its proper divisors (199964598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156153738 is a wasteful number, since it uses less digits than its factorization.

156153738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117798.

The product of its digits is 75600, while the sum is 39.

The square root of 156153738 is about 12496.1489267694. The cubic root of 156153738 is about 538.4980416834.

The spelling of 156153738 in words is "one hundred fifty-six million, one hundred fifty-three thousand, seven hundred thirty-eight".