157427523745 has 4 divisors (see below), whose sum is σ = 188913028500. Its totient is φ = 125942018992.

The previous prime is 157427523719. The next prime is 157427523749. The reversal of 157427523745 is 547325724751.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58171651344 + 99255872401 = 241188^2 + 315049^2 .

It is a cyclic number.

It is not a de Polignac number, because 157427523745 - 2¹¹ = 157427521697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157427523692 and 157427523701.

It is not an unprimeable number, because it can be changed into a prime (157427523749) 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, 15742752370 + ... + 15742752379.

It is an arithmetic number, because the mean of its divisors is an integer number (47228257125).

Almost surely, 2^157427523745 is an apocalyptic number.

It is an amenable number.

157427523745 is a deficient number, since it is larger than the sum of its proper divisors (31485504755).

157427523745 is an equidigital number, since it uses as much as digits as its factorization.

157427523745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31485504754.

The product of its digits is 8232000, while the sum is 52.

The spelling of 157427523745 in words is "one hundred fifty-seven billion, four hundred twenty-seven million, five hundred twenty-three thousand, seven hundred forty-five".