157520541 has 4 divisors (see below), whose sum is σ = 210027392. Its totient is φ = 105013692.

The previous prime is 157520527. The next prime is 157520543. The reversal of 157520541 is 145025751.

157520541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 157520541 - 2⁷ = 157520413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157520499 and 157520508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157520543) 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, 26253421 + ... + 26253426.

It is an arithmetic number, because the mean of its divisors is an integer number (52506848).

Almost surely, 2^157520541 is an apocalyptic number.

It is an amenable number.

157520541 is a deficient number, since it is larger than the sum of its proper divisors (52506851).

157520541 is an equidigital number, since it uses as much as digits as its factorization.

157520541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52506850.

The product of its (nonzero) digits is 7000, while the sum is 30.

The square root of 157520541 is about 12550.7187443588. The cubic root of 157520541 is about 540.0646253245.

The spelling of 157520541 in words is "one hundred fifty-seven million, five hundred twenty thousand, five hundred forty-one".