157122226443 has 16 divisors (see below), whose sum is σ = 257841602816. Its totient is φ = 82877657760.

The previous prime is 157122226439. The next prime is 157122226477. The reversal of 157122226443 is 344622221751.

It is not a de Polignac number, because 157122226443 - 2² = 157122226439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (157122226493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287769373 + ... + 287769918.

It is an arithmetic number, because the mean of its divisors is an integer number (16115100176).

Almost surely, 2^157122226443 is an apocalyptic number.

157122226443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

157122226443 is a deficient number, since it is larger than the sum of its proper divisors (100719376373).

157122226443 is a wasteful number, since it uses less digits than its factorization.

157122226443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575539314.

The product of its digits is 161280, while the sum is 39.

The spelling of 157122226443 in words is "one hundred fifty-seven billion, one hundred twenty-two million, two hundred twenty-six thousand, four hundred forty-three".