64142296 has 16 divisors (see below), whose sum is σ = 122536800. Its totient is φ = 31465824.

The previous prime is 64142279. The next prime is 64142311. The reversal of 64142296 is 69224146.

It is a super-2 number, since 2×64142296² = 8228468272303232, which contains 22 as substring.

It is a congruent 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, 75216 + ... + 76063.

It is an arithmetic number, because the mean of its divisors is an integer number (7658550).

Almost surely, 2^64142296 is an apocalyptic number.

It is an amenable number.

64142296 is a deficient number, since it is larger than the sum of its proper divisors (58394504).

64142296 is a wasteful number, since it uses less digits than its factorization.

64142296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151338 (or 151334 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 64142296 is about 8008.8885620915. Note that the first 3 decimals coincide. The cubic root of 64142296 is about 400.2962305645.

The spelling of 64142296 in words is "sixty-four million, one hundred forty-two thousand, two hundred ninety-six".