156040834 has 16 divisors (see below), whose sum is σ = 240249240. Its totient is φ = 75965440.

The previous prime is 156040831. The next prime is 156040897. The reversal of 156040834 is 438040651.

It is a happy number.

156040834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 108472225 + 47568609 = 10415^2 + 6897^2 .

It is a junction number, because it is equal to n+sod(n) for n = 156040796 and 156040805.

It is not an unprimeable number, because it can be changed into a prime (156040831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47022 + ... + 50230.

Almost surely, 2^156040834 is an apocalyptic number.

156040834 is a deficient number, since it is larger than the sum of its proper divisors (84208406).

156040834 is a wasteful number, since it uses less digits than its factorization.

156040834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3845.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 156040834 is about 12491.6305580977. The cubic root of 156040834 is about 538.3682267914.

The spelling of 156040834 in words is "one hundred fifty-six million, forty thousand, eight hundred thirty-four".