152146639 has 2 divisors, whose sum is σ = 152146640. Its totient is φ = 152146638.

The previous prime is 152146601. The next prime is 152146691. The reversal of 152146639 is 936641251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 152146639 - 2²⁵ = 118592207 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 152146598 and 152146607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152146439) 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 as a sum of consecutive naturals, namely, 76073319 + 76073320.

It is an arithmetic number, because the mean of its divisors is an integer number (76073320).

Almost surely, 2^152146639 is an apocalyptic number.

152146639 is a deficient number, since it is larger than the sum of its proper divisors (1).

152146639 is an equidigital number, since it uses as much as digits as its factorization.

152146639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 152146639 is about 12334.7735690608. The cubic root of 152146639 is about 533.8518937735.

The spelling of 152146639 in words is "one hundred fifty-two million, one hundred forty-six thousand, six hundred thirty-nine".