152173431 has 16 divisors (see below), whose sum is σ = 230686720. Its totient is φ = 99088920.

The previous prime is 152173429. The next prime is 152173457. The reversal of 152173431 is 134371251.

152173431 is a `hidden beast` number, since 15 + 217 + 3 + 431 = 666.

It is not a de Polignac number, because 152173431 - 2¹ = 152173429 is a prime.

It is a super-2 number, since 2×152173431² = 46313506204623522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 152173395 and 152173404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152173481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64375 + ... + 66696.

It is an arithmetic number, because the mean of its divisors is an integer number (14417920).

Almost surely, 2^152173431 is an apocalyptic number.

152173431 is a deficient number, since it is larger than the sum of its proper divisors (78513289).

152173431 is a wasteful number, since it uses less digits than its factorization.

152173431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131123 (or 131117 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 152173431 is about 12335.8595565935. The cubic root of 152173431 is about 533.8832278439.

The spelling of 152173431 in words is "one hundred fifty-two million, one hundred seventy-three thousand, four hundred thirty-one".