157272647203445 has 16 divisors (see below), whose sum is σ = 191807472275328. Its totient is φ = 123769753462080.

The previous prime is 157272647203433. The next prime is 157272647203459. The reversal of 157272647203445 is 544302746272751.

157272647203445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 157272647203445 - 2⁴⁰ = 156173135575669 is a prime.

It is a super-3 number, since 3×157272647203445³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

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, 322638566 + ... + 323125655.

It is an arithmetic number, because the mean of its divisors is an integer number (11987967017208).

Almost surely, 2^{157272647203445} is an apocalyptic number.

It is an amenable number.

157272647203445 is a deficient number, since it is larger than the sum of its proper divisors (34534825071883).

157272647203445 is an equidigital number, since it uses as much as digits as its factorization.

157272647203445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645765020.

The product of its (nonzero) digits is 79027200, while the sum is 59.

The spelling of 157272647203445 in words is "one hundred fifty-seven trillion, two hundred seventy-two billion, six hundred forty-seven million, two hundred three thousand, four hundred forty-five".