149550720 has 256 divisors, whose sum is σ = 532586880. Its totient is φ = 35389440.

The previous prime is 149550701. The next prime is 149550721. The reversal of 149550720 is 27055941.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (149550721) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1541712 + ... + 1541808.

Almost surely, 2^149550720 is an apocalyptic number.

149550720 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 149550720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266293440).

149550720 is an abundant number, since it is smaller than the sum of its proper divisors (383036160).

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

149550720 is a wasteful number, since it uses less digits than its factorization.

149550720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 149550720 is about 12229.0931797906. The cubic root of 149550720 is about 530.7982749201.

The spelling of 149550720 in words is "one hundred forty-nine million, five hundred fifty thousand, seven hundred twenty".