158712947 has 4 divisors (see below), whose sum is σ = 167066280. Its totient is φ = 150359616.

The previous prime is 158712889. The next prime is 158712977. The reversal of 158712947 is 749217851.

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

It is not a de Polignac number, because 158712947 - 2⁸ = 158712691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 158712898 and 158712907.

It is not an unprimeable number, because it can be changed into a prime (158712977) 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, 4176638 + ... + 4176675.

It is an arithmetic number, because the mean of its divisors is an integer number (41766570).

Almost surely, 2^158712947 is an apocalyptic number.

158712947 is a deficient number, since it is larger than the sum of its proper divisors (8353333).

158712947 is an equidigital number, since it uses as much as digits as its factorization.

158712947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8353332.

The product of its digits is 141120, while the sum is 44.

The square root of 158712947 is about 12598.1326790918. The cubic root of 158712947 is about 541.4239362254.

The spelling of 158712947 in words is "one hundred fifty-eight million, seven hundred twelve thousand, nine hundred forty-seven".