150181938 has 20 divisors (see below), whose sum is σ = 336519150. Its totient is φ = 50060592.

The previous prime is 150181919. The next prime is 150181979. The reversal of 150181938 is 839181051.

It can be written as a sum of positive squares in only one way, i.e., 127170729 + 23011209 = 11277^2 + 4797^2 .

It is a super-2 number, since 2×150181938² = 45109229002871688, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 463363 + ... + 463686.

Almost surely, 2^150181938 is an apocalyptic number.

150181938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

150181938 is an abundant number, since it is smaller than the sum of its proper divisors (186337212).

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

150181938 is an equidigital number, since it uses as much as digits as its factorization.

150181938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927063 (or 927054 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 36.

The square root of 150181938 is about 12254.8740507604. The cubic root of 150181938 is about 531.5440177686.

The spelling of 150181938 in words is "one hundred fifty million, one hundred eighty-one thousand, nine hundred thirty-eight".