149210540 has 24 divisors (see below), whose sum is σ = 317637600. Its totient is φ = 58866048.

The previous prime is 149210527. The next prime is 149210557. The reversal of 149210540 is 45012941.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49640 + ... + 52559.

It is an arithmetic number, because the mean of its divisors is an integer number (13234900).

Almost surely, 2^149210540 is an apocalyptic number.

149210540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149210540 is an abundant number, since it is smaller than the sum of its proper divisors (168427060).

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

149210540 is a wasteful number, since it uses less digits than its factorization.

149210540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102281 (or 102279 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 149210540 is about 12215.1766258208. The cubic root of 149210540 is about 530.3955040049.

The spelling of 149210540 in words is "one hundred forty-nine million, two hundred ten thousand, five hundred forty".