157344429097 has 2 divisors, whose sum is σ = 157344429098. Its totient is φ = 157344429096.

The previous prime is 157344429091. The next prime is 157344429119. The reversal of 157344429097 is 790924443751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102642703641 + 54701725456 = 320379^2 + 233884^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157344429097 is a prime.

It is not a weakly prime, because it can be changed into another prime (157344429091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78672214548 + 78672214549.

It is an arithmetic number, because the mean of its divisors is an integer number (78672214549).

Almost surely, 2^157344429097 is an apocalyptic number.

It is an amenable number.

157344429097 is a deficient number, since it is larger than the sum of its proper divisors (1).

157344429097 is an equidigital number, since it uses as much as digits as its factorization.

157344429097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 157344429097 in words is "one hundred fifty-seven billion, three hundred forty-four million, four hundred twenty-nine thousand, ninety-seven".