157870743 has 4 divisors (see below), whose sum is σ = 210494328. Its totient is φ = 105247160.

The previous prime is 157870723. The next prime is 157870763. The reversal of 157870743 is 347078751.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (157870723) and next prime (157870763).

It is a cyclic number.

It is not a de Polignac number, because 157870743 - 2⁵ = 157870711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157870695 and 157870704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157870703) 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, 26311788 + ... + 26311793.

It is an arithmetic number, because the mean of its divisors is an integer number (52623582).

Almost surely, 2^157870743 is an apocalyptic number.

157870743 is a deficient number, since it is larger than the sum of its proper divisors (52623585).

157870743 is an equidigital number, since it uses as much as digits as its factorization.

157870743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52623584.

The product of its (nonzero) digits is 164640, while the sum is 42.

The square root of 157870743 is about 12564.6624705959. The cubic root of 157870743 is about 540.4645556520.

The spelling of 157870743 in words is "one hundred fifty-seven million, eight hundred seventy thousand, seven hundred forty-three".