64143362 has 4 divisors (see below), whose sum is σ = 96215046. Its totient is φ = 32071680.

The previous prime is 64143349. The next prime is 64143379. The reversal of 64143362 is 26334146.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 63504961 + 638401 = 7969^2 + 799^2 .

It is a super-2 number, since 2×64143362² = 8228741777326088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16035839 + ... + 16035842.

Almost surely, 2^64143362 is an apocalyptic number.

64143362 is a deficient number, since it is larger than the sum of its proper divisors (32071684).

64143362 is a wasteful number, since it uses less digits than its factorization.

64143362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32071683.

The product of its digits is 10368, while the sum is 29.

The square root of 64143362 is about 8008.9551128721. The cubic root of 64143362 is about 400.2984480998.

The spelling of 64143362 in words is "sixty-four million, one hundred forty-three thousand, three hundred sixty-two".