147274506 has 12 divisors (see below), whose sum is σ = 319094802. Its totient is φ = 49091496.

The previous prime is 147274493. The next prime is 147274549. The reversal of 147274506 is 605472741.

147274506 is a `hidden beast` number, since 14 + 72 + 74 + 506 = 666.

It can be written as a sum of positive squares in only one way, i.e., 136679481 + 10595025 = 11691^2 + 3255^2 .

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 4090941 + ... + 4090976.

Almost surely, 2^147274506 is an apocalyptic number.

147274506 is an abundant number, since it is smaller than the sum of its proper divisors (171820296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

147274506 is a wasteful number, since it uses less digits than its factorization.

147274506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8181925 (or 8181922 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 147274506 is about 12135.6708096421. The cubic root of 147274506 is about 528.0915173666.

The spelling of 147274506 in words is "one hundred forty-seven million, two hundred seventy-four thousand, five hundred six".