143023490 has 8 divisors (see below), whose sum is σ = 257442300. Its totient is φ = 57209392.

The previous prime is 143023483. The next prime is 143023501. The reversal of 143023490 is 94320341.

It can be written as a sum of positive squares in 2 ways, for example, as 142730809 + 292681 = 11947^2 + 541^2 .

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, 7151165 + ... + 7151184.

Almost surely, 2^143023490 is an apocalyptic number.

143023490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143023490 is a deficient number, since it is larger than the sum of its proper divisors (114418810).

143023490 is a wasteful number, since it uses less digits than its factorization.

143023490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14302356.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 143023490 is about 11959.2428690114. The cubic root of 143023490 is about 522.9607848860.

The spelling of 143023490 in words is "one hundred forty-three million, twenty-three thousand, four hundred ninety".