157158743 has 8 divisors (see below), whose sum is σ = 185803680. Its totient is φ = 130062240.

The previous prime is 157158719. The next prime is 157158763. The reversal of 157158743 is 347851751.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157158743 - 2⁸ = 157158487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157158743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157158763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386888 + ... + 387293.

It is an arithmetic number, because the mean of its divisors is an integer number (23225460).

Almost surely, 2^157158743 is an apocalyptic number.

157158743 is a deficient number, since it is larger than the sum of its proper divisors (28644937).

157158743 is an equidigital number, since it uses as much as digits as its factorization.

157158743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774217.

The product of its digits is 117600, while the sum is 41.

The square root of 157158743 is about 12536.2970210505. The cubic root of 157158743 is about 539.6508293690.

The spelling of 157158743 in words is "one hundred fifty-seven million, one hundred fifty-eight thousand, seven hundred forty-three".