152172747 has 12 divisors (see below), whose sum is σ = 220793664. Its totient is φ = 100992240.

The previous prime is 152172737. The next prime is 152172803. The reversal of 152172747 is 747271251.

152172747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 152172747 - 2⁴ = 152172731 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (152172737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35904 + ... + 39917.

It is an arithmetic number, because the mean of its divisors is an integer number (18399472).

Almost surely, 2^152172747 is an apocalyptic number.

152172747 is a deficient number, since it is larger than the sum of its proper divisors (68620917).

152172747 is a wasteful number, since it uses less digits than its factorization.

152172747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76050 (or 76047 counting only the distinct ones).

The product of its digits is 27440, while the sum is 36.

The square root of 152172747 is about 12335.8318325113. The cubic root of 152172747 is about 533.8824279305.

The spelling of 152172747 in words is "one hundred fifty-two million, one hundred seventy-two thousand, seven hundred forty-seven".