156406454 has 8 divisors (see below), whose sum is σ = 242699760. Its totient is φ = 75506536.

The previous prime is 156406451. The next prime is 156406457. The reversal of 156406454 is 454604651.

It is an interprime number because it is at equal distance from previous prime (156406451) and next prime (156406457).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156406451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1348274 + ... + 1348389.

It is an arithmetic number, because the mean of its divisors is an integer number (30337470).

Almost surely, 2^156406454 is an apocalyptic number.

156406454 is a deficient number, since it is larger than the sum of its proper divisors (86293306).

156406454 is a wasteful number, since it uses less digits than its factorization.

156406454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696694.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 156406454 is about 12506.2565942012. The cubic root of 156406454 is about 538.7883831662.

The spelling of 156406454 in words is "one hundred fifty-six million, four hundred six thousand, four hundred fifty-four".