147443990 has 32 divisors (see below), whose sum is σ = 285880320. Its totient is φ = 54571104.

The previous prime is 147443983. The next prime is 147444049. The reversal of 147443990 is 99344741.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 854 + ... + 17193.

It is an arithmetic number, because the mean of its divisors is an integer number (8933760).

Almost surely, 2^147443990 is an apocalyptic number.

147443990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147443990 is a deficient number, since it is larger than the sum of its proper divisors (138436330).

147443990 is a wasteful number, since it uses less digits than its factorization.

147443990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18116.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 147443990 is about 12142.6516873375. The cubic root of 147443990 is about 528.2940162095.

The spelling of 147443990 in words is "one hundred forty-seven million, four hundred forty-three thousand, nine hundred ninety".