157434080300789 has 2 divisors, whose sum is σ = 157434080300790. Its totient is φ = 157434080300788.

The previous prime is 157434080300719. The next prime is 157434080300797. The reversal of 157434080300789 is 987003080434751.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156915331762225 + 518748538564 = 12526585^2 + 720242^2 .

It is a cyclic number.

It is not a de Polignac number, because 157434080300789 - 2²⁰ = 157434079252213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157434080300719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78717040150394 + 78717040150395.

It is an arithmetic number, because the mean of its divisors is an integer number (78717040150395).

Almost surely, 2^{157434080300789} is an apocalyptic number.

It is an amenable number.

157434080300789 is a deficient number, since it is larger than the sum of its proper divisors (1).

157434080300789 is an equidigital number, since it uses as much as digits as its factorization.

157434080300789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20321280, while the sum is 59.

The spelling of 157434080300789 in words is "one hundred fifty-seven trillion, four hundred thirty-four billion, eighty million, three hundred thousand, seven hundred eighty-nine".