152774969 has 2 divisors, whose sum is σ = 152774970. Its totient is φ = 152774968.

The previous prime is 152774933. The next prime is 152774977. The reversal of 152774969 is 969477251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103774969 + 49000000 = 10187^2 + 7000^2 .

It is a cyclic number.

It is not a de Polignac number, because 152774969 - 2¹⁶ = 152709433 is a prime.

It is a super-2 number, since 2×152774969² = 46680382305901922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (152774989) 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, 76387484 + 76387485.

It is an arithmetic number, because the mean of its divisors is an integer number (76387485).

Almost surely, 2^152774969 is an apocalyptic number.

It is an amenable number.

152774969 is a deficient number, since it is larger than the sum of its proper divisors (1).

152774969 is an equidigital number, since it uses as much as digits as its factorization.

152774969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560, while the sum is 50.

The square root of 152774969 is about 12360.2171906484. The cubic root of 152774969 is about 534.5857788879.

The spelling of 152774969 in words is "one hundred fifty-two million, seven hundred seventy-four thousand, nine hundred sixty-nine".