149446580 has 24 divisors (see below), whose sum is σ = 314601000. Its totient is φ = 59633280.

The previous prime is 149446559. The next prime is 149446603. The reversal of 149446580 is 85644941.

It can be written as a sum of positive squares in 4 ways, for example, as 13630864 + 135815716 = 3692^2 + 11654^2 .

It is a congruent number.

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, 455 + ... + 17294.

It is an arithmetic number, because the mean of its divisors is an integer number (13108375).

Almost surely, 2^149446580 is an apocalyptic number.

149446580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149446580 is an abundant number, since it is smaller than the sum of its proper divisors (165154420).

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

149446580 is a wasteful number, since it uses less digits than its factorization.

149446580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18179 (or 18177 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 149446580 is about 12224.8345592077. The cubic root of 149446580 is about 530.6750387628.

The spelling of 149446580 in words is "one hundred forty-nine million, four hundred forty-six thousand, five hundred eighty".