157001930509 has 8 divisors (see below), whose sum is σ = 166283669880. Its totient is φ = 147725339136.

The previous prime is 157001930483. The next prime is 157001930513. The reversal of 157001930509 is 905039100751.

It can be written as a sum of positive squares in 4 ways, for example, as 18762972484 + 138238958025 = 136978^2 + 371805^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157001930509 - 2⁷ = 157001930381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157001930809) 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 in 7 ways as a sum of consecutive naturals, for example, 1224114 + ... + 1346275.

It is an arithmetic number, because the mean of its divisors is an integer number (20785458735).

Almost surely, 2^157001930509 is an apocalyptic number.

It is an amenable number.

157001930509 is a deficient number, since it is larger than the sum of its proper divisors (9281739371).

157001930509 is a wasteful number, since it uses less digits than its factorization.

157001930509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2573999.

The product of its (nonzero) digits is 42525, while the sum is 40.

The spelling of 157001930509 in words is "one hundred fifty-seven billion, one million, nine hundred thirty thousand, five hundred nine".