147771137522 has 18 divisors (see below), whose sum is σ = 225069869997. Its totient is φ = 72764859024.

The previous prime is 147771137513. The next prime is 147771137561. The reversal of 147771137522 is 225731177741.

It can be written as a sum of positive squares in 2 ways, for example, as 147747215641 + 23921881 = 384379^2 + 4891^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=271819.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 36421718 + ... + 36425774.

Almost surely, 2^147771137522 is an apocalyptic number.

147771137522 is a deficient number, since it is larger than the sum of its proper divisors (77298732475).

147771137522 is an frugal number, since it uses more digits than its factorization.

147771137522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8250 (or 4126 counting only the distinct ones).

The product of its digits is 576240, while the sum is 47.

The spelling of 147771137522 in words is "one hundred forty-seven billion, seven hundred seventy-one million, one hundred thirty-seven thousand, five hundred twenty-two".