149175900 has 108 divisors (see below), whose sum is σ = 473454072. Its totient is φ = 39281280.

The previous prime is 149175893. The next prime is 149175911. The reversal of 149175900 is 9571941.

149175900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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, 73702 + ... + 75698.

It is an arithmetic number, because the mean of its divisors is an integer number (4383834).

Almost surely, 2^149175900 is an apocalyptic number.

149175900 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 149175900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236727036).

149175900 is an abundant number, since it is smaller than the sum of its proper divisors (324278172).

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

149175900 is a wasteful number, since it uses less digits than its factorization.

149175900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100 (or 2090 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 149175900 is about 12213.7586352441. The cubic root of 149175900 is about 530.3544561400.

The spelling of 149175900 in words is "one hundred forty-nine million, one hundred seventy-five thousand, nine hundred".