64402153 has 16 divisors (see below), whose sum is σ = 69509440. Its totient is φ = 59486400.

The previous prime is 64402147. The next prime is 64402157. The reversal of 64402153 is 35120446.

It is a cyclic number.

It is not a de Polignac number, because 64402153 - 2⁹ = 64401641 is a prime.

It is a super-2 number, since 2×64402153² = 8295274622070818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64402157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209626 + ... + 209932.

It is an arithmetic number, because the mean of its divisors is an integer number (4344340).

Almost surely, 2^64402153 is an apocalyptic number.

It is an amenable number.

64402153 is a deficient number, since it is larger than the sum of its proper divisors (5107287).

64402153 is a wasteful number, since it uses less digits than its factorization.

64402153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 64402153 is about 8025.0952019275. The cubic root of 64402153 is about 400.8360699998.

Adding to 64402153 its reverse (35120446), we get a palindrome (99522599).

The spelling of 64402153 in words is "sixty-four million, four hundred two thousand, one hundred fifty-three".