156298228 has 6 divisors (see below), whose sum is σ = 273521906. Its totient is φ = 78149112.

The previous prime is 156298211. The next prime is 156298229. The reversal of 156298228 is 822892651.

It can be written as a sum of positive squares in only one way, i.e., 89908324 + 66389904 = 9482^2 + 8148^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156298229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19537275 + ... + 19537282.

Almost surely, 2^156298228 is an apocalyptic number.

It is an amenable number.

156298228 is a deficient number, since it is larger than the sum of its proper divisors (117223678).

156298228 is a wasteful number, since it uses less digits than its factorization.

156298228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39074561 (or 39074559 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The square root of 156298228 is about 12501.9289711628. The cubic root of 156298228 is about 538.6640823148.

The spelling of 156298228 in words is "one hundred fifty-six million, two hundred ninety-eight thousand, two hundred twenty-eight".