147697444 has 24 divisors (see below), whose sum is σ = 271853568. Its totient is φ = 70076160.

The previous prime is 147697387. The next prime is 147697477. The reversal of 147697444 is 444796741.

It is a happy number.

147697444 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 147697394 and 147697403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5364 + ... + 18004.

It is an arithmetic number, because the mean of its divisors is an integer number (11327232).

Almost surely, 2^147697444 is an apocalyptic number.

It is an amenable number.

147697444 is a deficient number, since it is larger than the sum of its proper divisors (124156124).

147697444 is a wasteful number, since it uses less digits than its factorization.

147697444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12795 (or 12793 counting only the distinct ones).

The product of its digits is 677376, while the sum is 46.

The square root of 147697444 is about 12153.0837238949. The cubic root of 147697444 is about 528.5965527450.

The spelling of 147697444 in words is "one hundred forty-seven million, six hundred ninety-seven thousand, four hundred forty-four".