149813460 has 36 divisors (see below), whose sum is σ = 454434708. Its totient is φ = 39950208.

The previous prime is 149813453. The next prime is 149813471. The reversal of 149813460 is 64318941.

It can be written as a sum of positive squares in 2 ways, for example, as 90554256 + 59259204 = 9516^2 + 7698^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 415969 + ... + 416328.

Almost surely, 2^149813460 is an apocalyptic number.

149813460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149813460 is an abundant number, since it is smaller than the sum of its proper divisors (304621248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149813460 is a wasteful number, since it uses less digits than its factorization.

149813460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832312 (or 832307 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 149813460 is about 12239.8308811846. The cubic root of 149813460 is about 531.1089395262.

The spelling of 149813460 in words is "one hundred forty-nine million, eight hundred thirteen thousand, four hundred sixty".