152215639 has 2 divisors, whose sum is σ = 152215640. Its totient is φ = 152215638.

The previous prime is 152215627. The next prime is 152215643. The reversal of 152215639 is 936512251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 152215639 - 2¹¹ = 152213591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152213639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76107819 + 76107820.

It is an arithmetic number, because the mean of its divisors is an integer number (76107820).

Almost surely, 2^152215639 is an apocalyptic number.

152215639 is a deficient number, since it is larger than the sum of its proper divisors (1).

152215639 is an equidigital number, since it uses as much as digits as its factorization.

152215639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 34.

The square root of 152215639 is about 12337.5702226978. The cubic root of 152215639 is about 533.9325839416.

It can be divided in two parts, 1522 and 15639, that added together give a square (17161 = 131²).

The spelling of 152215639 in words is "one hundred fifty-two million, two hundred fifteen thousand, six hundred thirty-nine".