147449671634 has 4 divisors (see below), whose sum is σ = 221174507454. Its totient is φ = 73724835816.

The previous prime is 147449671609. The next prime is 147449671661. The reversal of 147449671634 is 436176944741.

It is a happy number.

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., 93577869025 + 53871802609 = 305905^2 + 232103^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 147449671634.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36862417907 + ... + 36862417910.

Almost surely, 2^147449671634 is an apocalyptic number.

147449671634 is a deficient number, since it is larger than the sum of its proper divisors (73724835820).

147449671634 is an equidigital number, since it uses as much as digits as its factorization.

147449671634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73724835819.

The product of its digits is 12192768, while the sum is 56.

The spelling of 147449671634 in words is "one hundred forty-seven billion, four hundred forty-nine million, six hundred seventy-one thousand, six hundred thirty-four".