405152156 has 12 divisors (see below), whose sum is σ = 733465320. Its totient is φ = 195590640.

The previous prime is 405152141. The next prime is 405152161. The reversal of 405152156 is 651251504.

It is a happy number.

It is a super-2 number, since 2×405152156² = 328296539022896672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

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, 1746230 + ... + 1746461.

It is an arithmetic number, because the mean of its divisors is an integer number (61122110).

Almost surely, 2^405152156 is an apocalyptic number.

It is an amenable number.

405152156 is a deficient number, since it is larger than the sum of its proper divisors (328313164).

405152156 is a wasteful number, since it uses less digits than its factorization.

405152156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3492724 (or 3492722 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 405152156 is about 20128.3917887148. The cubic root of 405152156 is about 739.9562647637.

The spelling of 405152156 in words is "four hundred five million, one hundred fifty-two thousand, one hundred fifty-six".