153742172 has 12 divisors (see below), whose sum is σ = 269784480. Its totient is φ = 76660896.

The previous prime is 153742163. The next prime is 153742177. The reversal of 153742172 is 271247351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153742177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50897 + ... + 53832.

It is an arithmetic number, because the mean of its divisors is an integer number (22482040).

Almost surely, 2^153742172 is an apocalyptic number.

It is an amenable number.

153742172 is a deficient number, since it is larger than the sum of its proper divisors (116042308).

153742172 is a wasteful number, since it uses less digits than its factorization.

153742172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105100 (or 105098 counting only the distinct ones).

The product of its digits is 11760, while the sum is 32.

The square root of 153742172 is about 12399.2811081933. The cubic root of 153742172 is about 535.7115428296.

The spelling of 153742172 in words is "one hundred fifty-three million, seven hundred forty-two thousand, one hundred seventy-two".