158133277 has 4 divisors (see below), whose sum is σ = 158362816. Its totient is φ = 157903740.

The previous prime is 158133271. The next prime is 158133281. The reversal of 158133277 is 772331851.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 772331851 = 3163 ⋅244177.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158133277 is a prime.

It is a super-2 number, since 2×158133277² = 50012266589517458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158133271) 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, 113733 + ... + 115114.

It is an arithmetic number, because the mean of its divisors is an integer number (39590704).

Almost surely, 2^158133277 is an apocalyptic number.

It is an amenable number.

158133277 is a deficient number, since it is larger than the sum of its proper divisors (229539).

158133277 is an equidigital number, since it uses as much as digits as its factorization.

158133277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229538.

The product of its digits is 35280, while the sum is 37.

The square root of 158133277 is about 12575.1054468740. The cubic root of 158133277 is about 540.7639814956.

The spelling of 158133277 in words is "one hundred fifty-eight million, one hundred thirty-three thousand, two hundred seventy-seven".