158226953 has 2 divisors, whose sum is σ = 158226954. Its totient is φ = 158226952.

The previous prime is 158226919. The next prime is 158227021. The reversal of 158226953 is 359622851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156450064 + 1776889 = 12508^2 + 1333^2 .

It is a cyclic number.

It is not a de Polignac number, because 158226953 - 2²⁰ = 157178377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 158226953.

It is not a weakly prime, because it can be changed into another prime (158226353) 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, 79113476 + 79113477.

It is an arithmetic number, because the mean of its divisors is an integer number (79113477).

Almost surely, 2^158226953 is an apocalyptic number.

It is an amenable number.

158226953 is a deficient number, since it is larger than the sum of its proper divisors (1).

158226953 is an equidigital number, since it uses as much as digits as its factorization.

158226953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 41.

The square root of 158226953 is about 12578.8295560438. The cubic root of 158226953 is about 540.8707408238.

The spelling of 158226953 in words is "one hundred fifty-eight million, two hundred twenty-six thousand, nine hundred fifty-three".