453642156 has 72 divisors (see below), whose sum is σ = 1305368064. Its totient is φ = 131487840.

The previous prime is 453642151. The next prime is 453642169. The reversal of 453642156 is 651246354.

453642156 is a `hidden beast` number, since 4 + 5 + 3 + 642 + 1 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 453642156.

It is not an unprimeable number, because it can be changed into a prime (453642151) 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 23 ways as a sum of consecutive naturals, for example, 15796 + ... + 34011.

It is an arithmetic number, because the mean of its divisors is an integer number (18130112).

Almost surely, 2^453642156 is an apocalyptic number.

453642156 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

453642156 is an abundant number, since it is smaller than the sum of its proper divisors (851725908).

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

453642156 is a wasteful number, since it uses less digits than its factorization.

453642156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49851 (or 49846 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 453642156 is about 21298.8768717977. The cubic root of 453642156 is about 768.3713007663.

The spelling of 453642156 in words is "four hundred fifty-three million, six hundred forty-two thousand, one hundred fifty-six".