147215222452 has 12 divisors (see below), whose sum is σ = 264589521700. Its totient is φ = 71618216256.

The previous prime is 147215222417. The next prime is 147215222477. The reversal of 147215222452 is 254222512741.

It can be written as a sum of positive squares in 2 ways, for example, as 92607010596 + 54608211856 = 304314^2 + 233684^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497348577 + ... + 497348872.

Almost surely, 2^147215222452 is an apocalyptic number.

It is an amenable number.

147215222452 is a deficient number, since it is larger than the sum of its proper divisors (117374299248).

147215222452 is a wasteful number, since it uses less digits than its factorization.

147215222452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994697490 (or 994697488 counting only the distinct ones).

The product of its digits is 89600, while the sum is 37.

The spelling of 147215222452 in words is "one hundred forty-seven billion, two hundred fifteen million, two hundred twenty-two thousand, four hundred fifty-two".