158149253 has 2 divisors, whose sum is σ = 158149254. Its totient is φ = 158149252.

The previous prime is 158149237. The next prime is 158149273. The reversal of 158149253 is 352941851.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131285764 + 26863489 = 11458^2 + 5183^2 .

It is a cyclic number.

It is not a de Polignac number, because 158149253 - 2⁴ = 158149237 is a prime.

It is a super-2 number, since 2×158149253² = 50022372448916018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158149223) 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 as a sum of consecutive naturals, namely, 79074626 + 79074627.

It is an arithmetic number, because the mean of its divisors is an integer number (79074627).

Almost surely, 2^158149253 is an apocalyptic number.

It is an amenable number.

158149253 is a deficient number, since it is larger than the sum of its proper divisors (1).

158149253 is an equidigital number, since it uses as much as digits as its factorization.

158149253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 38.

The square root of 158149253 is about 12575.7406541325. The cubic root of 158149253 is about 540.7821917771.

The spelling of 158149253 in words is "one hundred fifty-eight million, one hundred forty-nine thousand, two hundred fifty-three".