152613449 has 2 divisors, whose sum is σ = 152613450. Its totient is φ = 152613448.

The previous prime is 152613443. The next prime is 152613463. The reversal of 152613449 is 944316251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110103049 + 42510400 = 10493^2 + 6520^2 .

It is a cyclic number.

It is not a de Polignac number, because 152613449 - 2²⁰ = 151564873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (152613443) 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, 76306724 + 76306725.

It is an arithmetic number, because the mean of its divisors is an integer number (76306725).

Almost surely, 2^152613449 is an apocalyptic number.

It is an amenable number.

152613449 is a deficient number, since it is larger than the sum of its proper divisors (1).

152613449 is an equidigital number, since it uses as much as digits as its factorization.

152613449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 35.

The square root of 152613449 is about 12353.6815969977. The cubic root of 152613449 is about 534.3973170758.

The spelling of 152613449 in words is "one hundred fifty-two million, six hundred thirteen thousand, four hundred forty-nine".