147071444 has 12 divisors (see below), whose sum is σ = 277173204. Its totient is φ = 67879104.

The previous prime is 147071417. The next prime is 147071479. The reversal of 147071444 is 444170741.

It can be written as a sum of positive squares in 2 ways, for example, as 90250000 + 56821444 = 9500^2 + 7538^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 147071444.

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, 1414097 + ... + 1414200.

It is an arithmetic number, because the mean of its divisors is an integer number (23097767).

Almost surely, 2^147071444 is an apocalyptic number.

It is an amenable number.

147071444 is a deficient number, since it is larger than the sum of its proper divisors (130101760).

147071444 is a wasteful number, since it uses less digits than its factorization.

147071444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828314 (or 2828312 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 147071444 is about 12127.3015959858. The cubic root of 147071444 is about 527.8486949761.

The spelling of 147071444 in words is "one hundred forty-seven million, seventy-one thousand, four hundred forty-four".