157457144446 has 32 divisors (see below), whose sum is σ = 283527871488. Its totient is φ = 64120161600.

The previous prime is 157457144399. The next prime is 157457144461. The reversal of 157457144446 is 644441754751.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 157457144393 and 157457144402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1570575 + ... + 1667818.

It is an arithmetic number, because the mean of its divisors is an integer number (8860245984).

Almost surely, 2^157457144446 is an apocalyptic number.

157457144446 is a deficient number, since it is larger than the sum of its proper divisors (126070727042).

157457144446 is a wasteful number, since it uses less digits than its factorization.

157457144446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3238576.

The product of its digits is 7526400, while the sum is 52.

The spelling of 157457144446 in words is "one hundred fifty-seven billion, four hundred fifty-seven million, one hundred forty-four thousand, four hundred forty-six".