149297228564 has 24 divisors (see below), whose sum is σ = 285158596800. Its totient is φ = 67829849280.

The previous prime is 149297228533. The next prime is 149297228569. The reversal of 149297228564 is 465822792941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149297228569) 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, 720224 + ... + 904055.

It is an arithmetic number, because the mean of its divisors is an integer number (11881608200).

Almost surely, 2^149297228564 is an apocalyptic number.

It is an amenable number.

149297228564 is a deficient number, since it is larger than the sum of its proper divisors (135861368236).

149297228564 is a wasteful number, since it uses less digits than its factorization.

149297228564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626383 (or 1626381 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 59.

The spelling of 149297228564 in words is "one hundred forty-nine billion, two hundred ninety-seven million, two hundred twenty-eight thousand, five hundred sixty-four".