157140711545 has 4 divisors (see below), whose sum is σ = 188568853860. Its totient is φ = 125712569232.

The previous prime is 157140711517. The next prime is 157140711557. The reversal of 157140711545 is 545117041751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 545117041751 = 78697 ⋅6926783.

It can be written as a sum of positive squares in 2 ways, for example, as 95543428201 + 61597283344 = 309101^2 + 248188^2 .

It is a cyclic number.

It is not a de Polignac number, because 157140711545 - 2¹⁰ = 157140710521 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15714071150 + ... + 15714071159.

It is an arithmetic number, because the mean of its divisors is an integer number (47142213465).

Almost surely, 2^157140711545 is an apocalyptic number.

It is an amenable number.

157140711545 is a deficient number, since it is larger than the sum of its proper divisors (31428142315).

157140711545 is an equidigital number, since it uses as much as digits as its factorization.

157140711545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31428142314.

The product of its (nonzero) digits is 98000, while the sum is 41.

The spelling of 157140711545 in words is "one hundred fifty-seven billion, one hundred forty million, seven hundred eleven thousand, five hundred forty-five".