157459649 has 2 divisors, whose sum is σ = 157459650. Its totient is φ = 157459648.

The previous prime is 157459637. The next prime is 157459693. The reversal of 157459649 is 946954751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92544400 + 64915249 = 9620^2 + 8057^2 .

It is a cyclic number.

It is not a de Polignac number, because 157459649 - 2¹² = 157455553 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 157459597 and 157459606.

It is not a weakly prime, because it can be changed into another prime (157459609) 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, 78729824 + 78729825.

It is an arithmetic number, because the mean of its divisors is an integer number (78729825).

Almost surely, 2^157459649 is an apocalyptic number.

It is an amenable number.

157459649 is a deficient number, since it is larger than the sum of its proper divisors (1).

157459649 is an equidigital number, since it uses as much as digits as its factorization.

157459649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 50.

The square root of 157459649 is about 12548.2926727105. The cubic root of 157459649 is about 539.9950262459.

The spelling of 157459649 in words is "one hundred fifty-seven million, four hundred fifty-nine thousand, six hundred forty-nine".