64158149 has 8 divisors (see below), whose sum is σ = 71480448. Its totient is φ = 57084160.

The previous prime is 64158139. The next prime is 64158151. The reversal of 64158149 is 94185146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64158149 - 2²⁰ = 63109573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64158139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61532 + ... + 62565.

It is an arithmetic number, because the mean of its divisors is an integer number (8935056).

Almost surely, 2^64158149 is an apocalyptic number.

It is an amenable number.

64158149 is a deficient number, since it is larger than the sum of its proper divisors (7322299).

64158149 is a wasteful number, since it uses less digits than its factorization.

64158149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124155.

The product of its digits is 34560, while the sum is 38.

The square root of 64158149 is about 8009.8782138058. The cubic root of 64158149 is about 400.3292060674.

The spelling of 64158149 in words is "sixty-four million, one hundred fifty-eight thousand, one hundred forty-nine".