152244137 has 2 divisors, whose sum is σ = 152244138. Its totient is φ = 152244136.

The previous prime is 152244019. The next prime is 152244149. The reversal of 152244137 is 731442251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123899161 + 28344976 = 11131^2 + 5324^2 .

It is a cyclic number.

It is not a de Polignac number, because 152244137 - 2¹⁶ = 152178601 is a prime.

It is not a weakly prime, because it can be changed into another prime (152244187) 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, 76122068 + 76122069.

It is an arithmetic number, because the mean of its divisors is an integer number (76122069).

Almost surely, 2^152244137 is an apocalyptic number.

It is an amenable number.

152244137 is a deficient number, since it is larger than the sum of its proper divisors (1).

152244137 is an equidigital number, since it uses as much as digits as its factorization.

152244137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 152244137 is about 12338.7250962164. The cubic root of 152244137 is about 533.9659030350.

Adding to 152244137 its reverse (731442251), we get a palindrome (883686388).

The spelling of 152244137 in words is "one hundred fifty-two million, two hundred forty-four thousand, one hundred thirty-seven".