147275697992644 has 36 divisors (see below), whose sum is σ = 279140391492480. Its totient is φ = 67959442842720.

The previous prime is 147275697992629. The next prime is 147275697992693. The reversal of 147275697992644 is 446299796572741.

147275697992644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×147275697992644² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19070524 + ... + 25656115.

It is an arithmetic number, because the mean of its divisors is an integer number (7753899763680).

Almost surely, 2^{147275697992644} is an apocalyptic number.

It is an amenable number.

147275697992644 is a deficient number, since it is larger than the sum of its proper divisors (131864693499836).

147275697992644 is a wasteful number, since it uses less digits than its factorization.

147275697992644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44731540 (or 44731525 counting only the distinct ones).

The product of its digits is 11522165760, while the sum is 82.

The spelling of 147275697992644 in words is "one hundred forty-seven trillion, two hundred seventy-five billion, six hundred ninety-seven million, nine hundred ninety-two thousand, six hundred forty-four".