152570313449 has 2 divisors, whose sum is σ = 152570313450. Its totient is φ = 152570313448.

The previous prime is 152570313431. The next prime is 152570313517. The reversal of 152570313449 is 944313075251.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132394099600 + 20176213849 = 363860^2 + 142043^2 .

It is a cyclic number.

It is not a de Polignac number, because 152570313449 - 2⁸ = 152570313193 is a prime.

It is a super-2 number, since 2×152570313449² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (152570313409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76285156724 + 76285156725.

It is an arithmetic number, because the mean of its divisors is an integer number (76285156725).

Almost surely, 2^152570313449 is an apocalyptic number.

It is an amenable number.

152570313449 is a deficient number, since it is larger than the sum of its proper divisors (1).

152570313449 is an equidigital number, since it uses as much as digits as its factorization.

152570313449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 152570313449 in words is "one hundred fifty-two billion, five hundred seventy million, three hundred thirteen thousand, four hundred forty-nine".