152730839 has 4 divisors (see below), whose sum is σ = 161715024. Its totient is φ = 143746656.

The previous prime is 152730827. The next prime is 152730841. The reversal of 152730839 is 938037251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 938037251 = 2609 ⋅359539.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152730839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152730859) 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, 4492067 + ... + 4492100.

It is an arithmetic number, because the mean of its divisors is an integer number (40428756).

Almost surely, 2^152730839 is an apocalyptic number.

152730839 is a deficient number, since it is larger than the sum of its proper divisors (8984185).

152730839 is an equidigital number, since it uses as much as digits as its factorization.

152730839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8984184.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 152730839 is about 12358.4318989102. The cubic root of 152730839 is about 534.5343011220.

The spelling of 152730839 in words is "one hundred fifty-two million, seven hundred thirty thousand, eight hundred thirty-nine".