64231146 has 48 divisors (see below), whose sum is σ = 159494400. Its totient is φ = 18300384.

The previous prime is 64231129. The next prime is 64231159. The reversal of 64231146 is 64113246.

64231146 is a `hidden beast` number, since 642 + 3 + 1 + 14 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88975 + ... + 89693.

It is an arithmetic number, because the mean of its divisors is an integer number (3322800).

Almost surely, 2^64231146 is an apocalyptic number.

64231146 is an abundant number, since it is smaller than the sum of its proper divisors (95263254).

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

64231146 is a wasteful number, since it uses less digits than its factorization.

64231146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443 (or 1440 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 64231146 is about 8014.4336044414. The cubic root of 64231146 is about 400.4809755911.

It can be divided in two parts, 6423 and 1146, that added together give a square (7569 = 87²).

The spelling of 64231146 in words is "sixty-four million, two hundred thirty-one thousand, one hundred forty-six".