157230290605 has 8 divisors (see below), whose sum is σ = 188683803000. Its totient is φ = 125779262976.

The previous prime is 157230290599. The next prime is 157230290671. The reversal of 157230290605 is 506092032751.

It can be written as a sum of positive squares in 4 ways, for example, as 4583019204 + 152647271401 = 67698^2 + 390701^2 .

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 157230290605 - 2⁹ = 157230290093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479020 + ... + 737509.

It is an arithmetic number, because the mean of its divisors is an integer number (23585475375).

Almost surely, 2^157230290605 is an apocalyptic number.

It is an amenable number.

157230290605 is a deficient number, since it is larger than the sum of its proper divisors (31453512395).

157230290605 is a wasteful number, since it uses less digits than its factorization.

157230290605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242383.

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 157230290605 in words is "one hundred fifty-seven billion, two hundred thirty million, two hundred ninety thousand, six hundred five".