157223574533 has 4 divisors (see below), whose sum is σ = 157226470368. Its totient is φ = 157220678700.

The previous prime is 157223574527. The next prime is 157223574587. The reversal of 157223574533 is 335475322751.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157223574533 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 (157223574433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1364891 + ... + 1475592.

It is an arithmetic number, because the mean of its divisors is an integer number (39306617592).

Almost surely, 2^157223574533 is an apocalyptic number.

It is an amenable number.

157223574533 is a deficient number, since it is larger than the sum of its proper divisors (2895835).

157223574533 is an equidigital number, since it uses as much as digits as its factorization.

157223574533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2895834.

The product of its digits is 2646000, while the sum is 47.

The spelling of 157223574533 in words is "one hundred fifty-seven billion, two hundred twenty-three million, five hundred seventy-four thousand, five hundred thirty-three".