64959142 has 16 divisors (see below), whose sum is σ = 104334480. Its totient is φ = 30224128.

The previous prime is 64959133. The next prime is 64959163. The reversal of 64959142 is 24195946.

It is a junction number, because it is equal to n+sod(n) for n = 64959095 and 64959104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7708 + ... + 13759.

It is an arithmetic number, because the mean of its divisors is an integer number (6520905).

Almost surely, 2^64959142 is an apocalyptic number.

64959142 is a deficient number, since it is larger than the sum of its proper divisors (39375338).

64959142 is a wasteful number, since it uses less digits than its factorization.

64959142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21575.

The product of its digits is 77760, while the sum is 40.

The square root of 64959142 is about 8059.7234443869. The cubic root of 64959142 is about 401.9883126558.

The spelling of 64959142 in words is "sixty-four million, nine hundred fifty-nine thousand, one hundred forty-two".