147221496 has 64 divisors (see below), whose sum is σ = 433015200. Its totient is φ = 46185984.

The previous prime is 147221489. The next prime is 147221507. The reversal of 147221496 is 694122741.

It is a happy number.

147221496 is a `hidden beast` number, since 147 + 2 + 21 + 496 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 147221496.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16375 + ... + 23718.

Almost surely, 2^147221496 is an apocalyptic number.

It is an amenable number.

147221496 is an abundant number, since it is smaller than the sum of its proper divisors (285793704).

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

147221496 is a wasteful number, since it uses less digits than its factorization.

147221496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40125 (or 40115 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 147221496 is about 12133.4865558091. The cubic root of 147221496 is about 528.0281493257.

The spelling of 147221496 in words is "one hundred forty-seven million, two hundred twenty-one thousand, four hundred ninety-six".