64651154 has 4 divisors (see below), whose sum is σ = 96976734. Its totient is φ = 32325576.

The previous prime is 64651141. The next prime is 64651193. The reversal of 64651154 is 45115646.

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., 38875225 + 25775929 = 6235^2 + 5077^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 64651154.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16162787 + ... + 16162790.

Almost surely, 2^64651154 is an apocalyptic number.

64651154 is a deficient number, since it is larger than the sum of its proper divisors (32325580).

64651154 is a wasteful number, since it uses less digits than its factorization.

64651154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32325579.

The product of its digits is 14400, while the sum is 32.

The square root of 64651154 is about 8040.5941322765. The cubic root of 64651154 is about 401.3519959521.

The spelling of 64651154 in words is "sixty-four million, six hundred fifty-one thousand, one hundred fifty-four".