150172113 has 24 divisors (see below), whose sum is σ = 250840128. Its totient is φ = 79210656.

The previous prime is 150172111. The next prime is 150172117. The reversal of 150172113 is 311271051.

It is a happy number.

It is not a de Polignac number, because 150172113 - 2¹ = 150172111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 150172113.

It is not an unprimeable number, because it can be changed into a prime (150172111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37381 + ... + 41202.

It is an arithmetic number, because the mean of its divisors is an integer number (10451672).

Almost surely, 2^150172113 is an apocalyptic number.

150172113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

150172113 is a deficient number, since it is larger than the sum of its proper divisors (100668015).

150172113 is a wasteful number, since it uses less digits than its factorization.

150172113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78613 (or 78606 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 150172113 is about 12254.4731832911. The cubic root of 150172113 is about 531.5324261974.

The spelling of 150172113 in words is "one hundred fifty million, one hundred seventy-two thousand, one hundred thirteen".