156075040 has 96 divisors (see below), whose sum is σ = 408240000. Its totient is φ = 55910400.

The previous prime is 156075019. The next prime is 156075041. The reversal of 156075040 is 40570651.

It is a super-2 number, since 2×156075040² = 48718836222003200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (156075041) 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, 124336 + ... + 125584.

It is an arithmetic number, because the mean of its divisors is an integer number (4252500).

Almost surely, 2^156075040 is an apocalyptic number.

156075040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156075040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204120000).

156075040 is an abundant number, since it is smaller than the sum of its proper divisors (252164960).

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

156075040 is a wasteful number, since it uses less digits than its factorization.

156075040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346 (or 1338 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 156075040 is about 12492.9996397983. Note that the first 3 decimals coincide. The cubic root of 156075040 is about 538.4075628157.

The spelling of 156075040 in words is "one hundred fifty-six million, seventy-five thousand, forty".