150138750 has 40 divisors (see below), whose sum is σ = 375236136. Its totient is φ = 40036000.

The previous prime is 150138749. The next prime is 150138763. The reversal of 150138750 is 57831051.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16269 + ... + 23768.

Almost surely, 2^150138750 is an apocalyptic number.

150138750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

150138750 is an abundant number, since it is smaller than the sum of its proper divisors (225097386).

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

150138750 is an equidigital number, since it uses as much as digits as its factorization.

150138750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40062 (or 40047 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 150138750 is about 12253.1118496486. Note that the first 3 decimals coincide. The cubic root of 150138750 is about 531.4930606335.

The spelling of 150138750 in words is "one hundred fifty million, one hundred thirty-eight thousand, seven hundred fifty".