158225977 has 16 divisors (see below), whose sum is σ = 204991360. Its totient is φ = 118599552.

The previous prime is 158225917. The next prime is 158225981. The reversal of 158225977 is 779522851.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 158225977 - 2¹¹ = 158223929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158225917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44028 + ... + 47485.

It is an arithmetic number, because the mean of its divisors is an integer number (12811960).

Almost surely, 2^158225977 is an apocalyptic number.

It is an amenable number.

158225977 is a deficient number, since it is larger than the sum of its proper divisors (46765383).

158225977 is a wasteful number, since it uses less digits than its factorization.

158225977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91552.

The product of its digits is 352800, while the sum is 46.

The square root of 158225977 is about 12578.7907606415. The cubic root of 158225977 is about 540.8696287273.

The spelling of 158225977 in words is "one hundred fifty-eight million, two hundred twenty-five thousand, nine hundred seventy-seven".