149554720 has 96 divisors (see below), whose sum is σ = 410030208. Its totient is φ = 50485248.

The previous prime is 149554693. The next prime is 149554721. The reversal of 149554720 is 27455941.

It is a super-2 number, since 2×149554720² = 44733228548556800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 149554720.

It is not an unprimeable number, because it can be changed into a prime (149554721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74044 + ... + 76036.

It is an arithmetic number, because the mean of its divisors is an integer number (4271148).

Almost surely, 2^149554720 is an apocalyptic number.

149554720 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 149554720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205015104).

149554720 is an abundant number, since it is smaller than the sum of its proper divisors (260475488).

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

149554720 is a wasteful number, since it uses less digits than its factorization.

149554720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082 (or 2074 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 149554720 is about 12229.2567231210. The cubic root of 149554720 is about 530.8030072592.

The spelling of 149554720 in words is "one hundred forty-nine million, five hundred fifty-four thousand, seven hundred twenty".