143731480 has 32 divisors (see below), whose sum is σ = 326268000. Its totient is φ = 56982016.

The previous prime is 143731463. The next prime is 143731501. The reversal of 143731480 is 84137341.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11380 + ... + 20419.

It is an arithmetic number, because the mean of its divisors is an integer number (10195875).

Almost surely, 2^143731480 is an apocalyptic number.

143731480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143731480 is an abundant number, since it is smaller than the sum of its proper divisors (182536520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143731480 is a wasteful number, since it uses less digits than its factorization.

143731480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31923 (or 31919 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 143731480 is about 11988.8064460145. The cubic root of 143731480 is about 523.8222791437.

The spelling of 143731480 in words is "one hundred forty-three million, seven hundred thirty-one thousand, four hundred eighty".