149254320 has 40 divisors (see below), whose sum is σ = 462689136. Its totient is φ = 39801088.

The previous prime is 149254297. The next prime is 149254327. The reversal of 149254320 is 23452941.

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 not an unprimeable number, because it can be changed into a prime (149254327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310707 + ... + 311186.

Almost surely, 2^149254320 is an apocalyptic number.

149254320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149254320 is an abundant number, since it is smaller than the sum of its proper divisors (313434816).

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

149254320 is a wasteful number, since it uses less digits than its factorization.

149254320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621909 (or 621903 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 149254320 is about 12216.9685274212. The cubic root of 149254320 is about 530.4473735409.

The spelling of 149254320 in words is "one hundred forty-nine million, two hundred fifty-four thousand, three hundred twenty".