158820745 has 8 divisors (see below), whose sum is σ = 190665216. Its totient is φ = 127003056.

The previous prime is 158820737. The next prime is 158820763. The reversal of 158820745 is 547028851.

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

It is a cyclic number.

It is not a de Polignac number, because 158820745 - 2³ = 158820737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 158820698 and 158820707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10264 + ... + 20566.

It is an arithmetic number, because the mean of its divisors is an integer number (23833152).

Almost surely, 2^158820745 is an apocalyptic number.

It is an amenable number.

158820745 is a deficient number, since it is larger than the sum of its proper divisors (31844471).

158820745 is a wasteful number, since it uses less digits than its factorization.

158820745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13391.

The product of its (nonzero) digits is 89600, while the sum is 40.

The square root of 158820745 is about 12602.4102853383. The cubic root of 158820745 is about 541.5464870524.

The spelling of 158820745 in words is "one hundred fifty-eight million, eight hundred twenty thousand, seven hundred forty-five".