149557575 has 12 divisors (see below), whose sum is σ = 247268648. Its totient is φ = 79764000.

The previous prime is 149557571. The next prime is 149557631. The reversal of 149557575 is 575755941.

It is not a de Polignac number, because 149557575 - 2² = 149557571 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 (149557571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 996976 + ... + 997125.

Almost surely, 2^149557575 is an apocalyptic number.

149557575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149557575 is a deficient number, since it is larger than the sum of its proper divisors (97711073).

149557575 is a wasteful number, since it uses less digits than its factorization.

149557575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994114 (or 1994109 counting only the distinct ones).

The product of its digits is 1102500, while the sum is 48.

The square root of 149557575 is about 12229.3734508355. The cubic root of 149557575 is about 530.8063849147.

The spelling of 149557575 in words is "one hundred forty-nine million, five hundred fifty-seven thousand, five hundred seventy-five".