147229444 has 6 divisors (see below), whose sum is σ = 257651534. Its totient is φ = 73614720.

The previous prime is 147229403. The next prime is 147229457. The reversal of 147229444 is 444922741.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 141324544 + 5904900 = 11888^2 + 2430^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18403677 + ... + 18403684.

Almost surely, 2^147229444 is an apocalyptic number.

It is an amenable number.

147229444 is a deficient number, since it is larger than the sum of its proper divisors (110422090).

147229444 is a wasteful number, since it uses less digits than its factorization.

147229444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36807365 (or 36807363 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 147229444 is about 12133.8140747252. The cubic root of 147229444 is about 528.0376513172.

The spelling of 147229444 in words is "one hundred forty-seven million, two hundred twenty-nine thousand, four hundred forty-four".