150581138 has 48 divisors (see below), whose sum is σ = 256760064. Its totient is φ = 66063360.

The previous prime is 150581117. The next prime is 150581191. The reversal of 150581138 is 831185051.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 624698 + ... + 624938.

It is an arithmetic number, because the mean of its divisors is an integer number (5349168).

Almost surely, 2^150581138 is an apocalyptic number.

150581138 is a deficient number, since it is larger than the sum of its proper divisors (106178926).

150581138 is a wasteful number, since it uses less digits than its factorization.

150581138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 32.

The square root of 150581138 is about 12271.1506387950. The cubic root of 150581138 is about 532.0145684480.

The spelling of 150581138 in words is "one hundred fifty million, five hundred eighty-one thousand, one hundred thirty-eight".