152639233 has 2 divisors, whose sum is σ = 152639234. Its totient is φ = 152639232.

The previous prime is 152639213. The next prime is 152639237. The reversal of 152639233 is 332936251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122036209 + 30603024 = 11047^2 + 5532^2 .

It is a cyclic number.

It is not a de Polignac number, because 152639233 - 2⁹ = 152638721 is a prime.

It is not a weakly prime, because it can be changed into another prime (152639237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76319616 + 76319617.

It is an arithmetic number, because the mean of its divisors is an integer number (76319617).

Almost surely, 2^152639233 is an apocalyptic number.

It is an amenable number.

152639233 is a deficient number, since it is larger than the sum of its proper divisors (1).

152639233 is an equidigital number, since it uses as much as digits as its factorization.

152639233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 34.

The square root of 152639233 is about 12354.7251284681. The cubic root of 152639233 is about 534.4274108074.

The spelling of 152639233 in words is "one hundred fifty-two million, six hundred thirty-nine thousand, two hundred thirty-three".