157713541 has 4 divisors (see below), whose sum is σ = 157894252. Its totient is φ = 157532832.

The previous prime is 157713527. The next prime is 157713557. The reversal of 157713541 is 145317751.

It is a happy number.

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 118701025 + 39012516 = 10895^2 + 6246^2 .

It is a cyclic number.

It is not a de Polignac number, because 157713541 - 2¹⁵ = 157680773 is a prime.

It is a super-2 number, since 2×157713541² = 49747122029517362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157713497 and 157713506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157713581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89040 + ... + 90793.

It is an arithmetic number, because the mean of its divisors is an integer number (39473563).

Almost surely, 2^157713541 is an apocalyptic number.

It is an amenable number.

157713541 is a deficient number, since it is larger than the sum of its proper divisors (180711).

157713541 is an equidigital number, since it uses as much as digits as its factorization.

157713541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180710.

The product of its digits is 14700, while the sum is 34.

The square root of 157713541 is about 12558.4051933357. The cubic root of 157713541 is about 540.2851043621.

The spelling of 157713541 in words is "one hundred fifty-seven million, seven hundred thirteen thousand, five hundred forty-one".