147443924 has 12 divisors (see below), whose sum is σ = 273205044. Its totient is φ = 69385344.

The previous prime is 147443909. The next prime is 147443929. The reversal of 147443924 is 429344741.

147443924 = 386² + 387² + ... + 793².

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 56851600 + 90592324 = 7540^2 + 9518^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147443929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1084079 + ... + 1084214.

It is an arithmetic number, because the mean of its divisors is an integer number (22767087).

Almost surely, 2^147443924 is an apocalyptic number.

It is an amenable number.

147443924 is a deficient number, since it is larger than the sum of its proper divisors (125761120).

147443924 is a wasteful number, since it uses less digits than its factorization.

147443924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168314 (or 2168312 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 147443924 is about 12142.6489696441. The cubic root of 147443924 is about 528.2939373832.

The spelling of 147443924 in words is "one hundred forty-seven million, four hundred forty-three thousand, nine hundred twenty-four".