158402275 has 6 divisors (see below), whose sum is σ = 196418852. Its totient is φ = 126721800.

The previous prime is 158402273. The next prime is 158402287. The reversal of 158402275 is 572204851.

It is a happy number.

It is not a de Polignac number, because 158402275 - 2¹ = 158402273 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 158402275.

It is not an unprimeable number, because it can be changed into a prime (158402273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3168021 + ... + 3168070.

Almost surely, 2^158402275 is an apocalyptic number.

158402275 is a deficient number, since it is larger than the sum of its proper divisors (38016577).

158402275 is an equidigital number, since it uses as much as digits as its factorization.

158402275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6336101 (or 6336096 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 158402275 is about 12585.7965580252. The cubic root of 158402275 is about 541.0704361262.

The spelling of 158402275 in words is "one hundred fifty-eight million, four hundred two thousand, two hundred seventy-five".