143479390 has 16 divisors (see below), whose sum is σ = 264269808. Its totient is φ = 56056896.

The previous prime is 143479339. The next prime is 143479397. The reversal of 143479390 is 93974341.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143479397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166407 + ... + 167266.

It is an arithmetic number, because the mean of its divisors is an integer number (16516863).

Almost surely, 2^143479390 is an apocalyptic number.

143479390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143479390 is a deficient number, since it is larger than the sum of its proper divisors (120790418).

143479390 is a wasteful number, since it uses less digits than its factorization.

143479390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333723.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 143479390 is about 11978.2882750416. The cubic root of 143479390 is about 523.5158567452.

The spelling of 143479390 in words is "one hundred forty-three million, four hundred seventy-nine thousand, three hundred ninety".