157743061 has 4 divisors (see below), whose sum is σ = 180277792. Its totient is φ = 135208332.

The previous prime is 157743041. The next prime is 157743067. The reversal of 157743061 is 160347751.

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 157743061 - 2⁷ = 157742933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157743067) 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, 11267355 + ... + 11267368.

It is an arithmetic number, because the mean of its divisors is an integer number (45069448).

Almost surely, 2^157743061 is an apocalyptic number.

It is an amenable number.

157743061 is a deficient number, since it is larger than the sum of its proper divisors (22534731).

157743061 is an equidigital number, since it uses as much as digits as its factorization.

157743061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22534730.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 157743061 is about 12559.5804468143. The cubic root of 157743061 is about 540.3188115107.

The spelling of 157743061 in words is "one hundred fifty-seven million, seven hundred forty-three thousand, sixty-one".