157356217345 has 32 divisors (see below), whose sum is σ = 194063063040. Its totient is φ = 122421378240.

The previous prime is 157356217339. The next prime is 157356217367. The reversal of 157356217345 is 543712653751.

It is not a de Polignac number, because 157356217345 - 2¹¹ = 157356215297 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63990726 + ... + 63993184.

It is an arithmetic number, because the mean of its divisors is an integer number (6064470720).

Almost surely, 2^157356217345 is an apocalyptic number.

It is an amenable number.

157356217345 is a deficient number, since it is larger than the sum of its proper divisors (36706845695).

157356217345 is a wasteful number, since it uses less digits than its factorization.

157356217345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685.

The product of its digits is 2646000, while the sum is 49.

The spelling of 157356217345 in words is "one hundred fifty-seven billion, three hundred fifty-six million, two hundred seventeen thousand, three hundred forty-five".