152990401 has 2 divisors, whose sum is σ = 152990402. Its totient is φ = 152990400.

The previous prime is 152990389. The next prime is 152990447. The reversal of 152990401 is 104099251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129960000 + 23030401 = 11400^2 + 4799^2 .

It is a cyclic number.

It is not a de Polignac number, because 152990401 - 2²⁵ = 119435969 is a prime.

It is not a weakly prime, because it can be changed into another prime (152990471) 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, 76495200 + 76495201.

It is an arithmetic number, because the mean of its divisors is an integer number (76495201).

Almost surely, 2^152990401 is an apocalyptic number.

It is an amenable number.

152990401 is a deficient number, since it is larger than the sum of its proper divisors (1).

152990401 is an equidigital number, since it uses as much as digits as its factorization.

152990401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 152990401 is about 12368.9288541894. The cubic root of 152990401 is about 534.8369386893.

The spelling of 152990401 in words is "one hundred fifty-two million, nine hundred ninety thousand, four hundred one".