149870624 has 24 divisors (see below), whose sum is σ = 295341228. Its totient is φ = 74863360.

The previous prime is 149870603. The next prime is 149870627. The reversal of 149870624 is 426078941.

It can be written as a sum of positive squares in 2 ways, for example, as 138768400 + 11102224 = 11780^2 + 3332^2 .

It is a super-2 number, since 2×149870624² = 44922407876298752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149870627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50954 + ... + 53814.

Almost surely, 2^149870624 is an apocalyptic number.

It is an amenable number.

149870624 is a deficient number, since it is larger than the sum of its proper divisors (145470604).

149870624 is a wasteful number, since it uses less digits than its factorization.

149870624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4508 (or 4500 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 149870624 is about 12242.1658214550. The cubic root of 149870624 is about 531.1764823018.

The spelling of 149870624 in words is "one hundred forty-nine million, eight hundred seventy thousand, six hundred twenty-four".