156379540 has 12 divisors (see below), whose sum is σ = 328397076. Its totient is φ = 62551808.

The previous prime is 156379477. The next prime is 156379543. The reversal of 156379540 is 45973651.

156379540 is digitally balanced in base 3, 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 2 ways, for example, as 49505296 + 106874244 = 7036^2 + 10338^2 .

It is a super-2 number, since 2×156379540² = 48909121061223200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 156379493 and 156379502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156379543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3909469 + ... + 3909508.

It is an arithmetic number, because the mean of its divisors is an integer number (27366423).

Almost surely, 2^156379540 is an apocalyptic number.

156379540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156379540 is an abundant number, since it is smaller than the sum of its proper divisors (172017536).

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

156379540 is a wasteful number, since it uses less digits than its factorization.

156379540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7818986 (or 7818984 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 156379540 is about 12505.1805264858. The cubic root of 156379540 is about 538.7574769770.

The spelling of 156379540 in words is "one hundred fifty-six million, three hundred seventy-nine thousand, five hundred forty".