152319897 has 6 divisors (see below), whose sum is σ = 220017642. Its totient is φ = 101546592.

The previous prime is 152319781. The next prime is 152319899. The reversal of 152319897 is 798913251.

It can be written as a sum of positive squares in only one way, i.e., 146385801 + 5934096 = 12099^2 + 2436^2 .

It is not a de Polignac number, because 152319897 - 2⁸ = 152319641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (152319899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8462208 + ... + 8462225.

It is an arithmetic number, because the mean of its divisors is an integer number (36669607).

Almost surely, 2^152319897 is an apocalyptic number.

It is an amenable number.

152319897 is a deficient number, since it is larger than the sum of its proper divisors (67697745).

152319897 is a wasteful number, since it uses less digits than its factorization.

152319897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16924439 (or 16924436 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 152319897 is about 12341.7947236210. The cubic root of 152319897 is about 534.0544593703.

The spelling of 152319897 in words is "one hundred fifty-two million, three hundred nineteen thousand, eight hundred ninety-seven".