143793490 has 8 divisors (see below), whose sum is σ = 258828300. Its totient is φ = 57517392.

The previous prime is 143793467. The next prime is 143793523. The reversal of 143793490 is 94397341.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 143784081 + 9409 = 11991^2 + 97^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7189665 + ... + 7189684.

Almost surely, 2^143793490 is an apocalyptic number.

143793490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143793490 is a deficient number, since it is larger than the sum of its proper divisors (115034810).

143793490 is a wasteful number, since it uses less digits than its factorization.

143793490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14379356.

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

The square root of 143793490 is about 11991.3923295004. The cubic root of 143793490 is about 523.8975991070.

The spelling of 143793490 in words is "one hundred forty-three million, seven hundred ninety-three thousand, four hundred ninety".