158272263 has 12 divisors (see below), whose sum is σ = 228736560. Its totient is φ = 105458976.

The previous prime is 158272241. The next prime is 158272297. The reversal of 158272263 is 362272851.

158272263 is a `hidden beast` number, since 1 + 582 + 72 + 2 + 6 + 3 = 666.

158272263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 158272263 - 2²⁰ = 157223687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158272463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20358 + ... + 27036.

It is an arithmetic number, because the mean of its divisors is an integer number (19061380).

Almost surely, 2^158272263 is an apocalyptic number.

158272263 is a deficient number, since it is larger than the sum of its proper divisors (70464297).

158272263 is a wasteful number, since it uses less digits than its factorization.

158272263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9318 (or 9315 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 158272263 is about 12580.6304690981. The cubic root of 158272263 is about 540.9223639595.

It can be divided in two parts, 15 and 8272263, that added together give a triangular number (8272278 = T₄₀₆₇).

The spelling of 158272263 in words is "one hundred fifty-eight million, two hundred seventy-two thousand, two hundred sixty-three".