156225298 has 4 divisors (see below), whose sum is σ = 234337950. Its totient is φ = 78112648.

The previous prime is 156225281. The next prime is 156225319. The reversal of 156225298 is 892522651.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 118439689 + 37785609 = 10883^2 + 6147^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 156225298.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39056323 + ... + 39056326.

Almost surely, 2^156225298 is an apocalyptic number.

156225298 is a deficient number, since it is larger than the sum of its proper divisors (78112652).

156225298 is an equidigital number, since it uses as much as digits as its factorization.

156225298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78112651.

The product of its digits is 86400, while the sum is 40.

The square root of 156225298 is about 12499.0118809448. The cubic root of 156225298 is about 538.5802876277.

The spelling of 156225298 in words is "one hundred fifty-six million, two hundred twenty-five thousand, two hundred ninety-eight".