149275500 has 192 divisors, whose sum is σ = 484323840. Its totient is φ = 35424000.

The previous prime is 149275493. The next prime is 149275541. The reversal of 149275500 is 5572941.

149275500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1369446 + ... + 1369554.

It is an arithmetic number, because the mean of its divisors is an integer number (2522520).

Almost surely, 2^149275500 is an apocalyptic number.

149275500 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 149275500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242161920).

149275500 is an abundant number, since it is smaller than the sum of its proper divisors (335048340).

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

149275500 is a wasteful number, since it uses less digits than its factorization.

149275500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 213 counting only the distinct ones).

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

The square root of 149275500 is about 12217.8353238207. The cubic root of 149275500 is about 530.4724634769.

The spelling of 149275500 in words is "one hundred forty-nine million, two hundred seventy-five thousand, five hundred".