64552146 has 8 divisors (see below), whose sum is σ = 129104304. Its totient is φ = 21517380.

The previous prime is 64552133. The next prime is 64552151. The reversal of 64552146 is 64125546.

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

64552146 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5379340 + ... + 5379351.

It is an arithmetic number, because the mean of its divisors is an integer number (16138038).

Almost surely, 2^64552146 is an apocalyptic number.

64552146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64552146 is a wasteful number, since it uses less digits than its factorization.

64552146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10758696.

The product of its digits is 28800, while the sum is 33.

The square root of 64552146 is about 8034.4350143616. The cubic root of 64552146 is about 401.1470119319.

The spelling of 64552146 in words is "sixty-four million, five hundred fifty-two thousand, one hundred forty-six".