149475460 has 24 divisors (see below), whose sum is σ = 315720216. Its totient is φ = 59443200.

The previous prime is 149475433. The next prime is 149475481. The reversal of 149475460 is 64574941.

149475460 = T₉₉₈₁ + T₉₉₈₂ + T₉₉₈₃.

It can be written as a sum of positive squares in 4 ways, for example, as 56430144 + 93045316 = 7512^2 + 9646^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18141 + ... + 25060.

It is an arithmetic number, because the mean of its divisors is an integer number (13155009).

Almost surely, 2^149475460 is an apocalyptic number.

149475460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149475460 is the 9983-rd centered triangular number.

It is an amenable number.

149475460 is an abundant number, since it is smaller than the sum of its proper divisors (166244756).

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

149475460 is a wasteful number, since it uses less digits than its factorization.

149475460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43383 (or 43381 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 149475460 is about 12226.0157042268. The cubic root of 149475460 is about 530.7092202253.

The spelling of 149475460 in words is "one hundred forty-nine million, four hundred seventy-five thousand, four hundred sixty".