158225156 has 6 divisors (see below), whose sum is σ = 276894030. Its totient is φ = 79112576.

The previous prime is 158225117. The next prime is 158225159. The reversal of 158225156 is 651522851.

It can be written as a sum of positive squares in only one way, i.e., 120648256 + 37576900 = 10984^2 + 6130^2 .

It is not an unprimeable number, because it can be changed into a prime (158225159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19778141 + ... + 19778148.

It is an arithmetic number, because the mean of its divisors is an integer number (46149005).

Almost surely, 2^158225156 is an apocalyptic number.

It is an amenable number.

158225156 is a deficient number, since it is larger than the sum of its proper divisors (118668874).

158225156 is a wasteful number, since it uses less digits than its factorization.

158225156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39556293 (or 39556291 counting only the distinct ones).

The product of its digits is 24000, while the sum is 35.

The square root of 158225156 is about 12578.7581263017. The cubic root of 158225156 is about 540.8686932410.

The spelling of 158225156 in words is "one hundred fifty-eight million, two hundred twenty-five thousand, one hundred fifty-six".