149065920 has 252 divisors, whose sum is σ = 539916624. Its totient is φ = 39191040.

The previous prime is 149065853. The next prime is 149065997. The reversal of 149065920 is 29560941.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2099485 + ... + 2099555.

Almost surely, 2^149065920 is an apocalyptic number.

149065920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149065920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269958312).

149065920 is an abundant number, since it is smaller than the sum of its proper divisors (390850704).

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

149065920 is an frugal number, since it uses more digits than its factorization.

149065920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 149065920 is about 12209.2555055581. The cubic root of 149065920 is about 530.2240894093.

The spelling of 149065920 in words is "one hundred forty-nine million, sixty-five thousand, nine hundred twenty".