149290320 has 40 divisors (see below), whose sum is σ = 462800736. Its totient is φ = 39810688.

The previous prime is 149290313. The next prime is 149290331. The reversal of 149290320 is 23092941.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 310782 + ... + 311261.

Almost surely, 2^149290320 is an apocalyptic number.

149290320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149290320 is an abundant number, since it is smaller than the sum of its proper divisors (313510416).

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

149290320 is a wasteful number, since it uses less digits than its factorization.

149290320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622059 (or 622053 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 149290320 is about 12218.4417991821. The cubic root of 149290320 is about 530.4900179132.

The spelling of 149290320 in words is "one hundred forty-nine million, two hundred ninety thousand, three hundred twenty".