143491054 has 16 divisors (see below), whose sum is σ = 247363200. Its totient is φ = 61151544.

The previous prime is 143491037. The next prime is 143491079. The reversal of 143491054 is 450194341.

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, 26124 + ... + 31135.

It is an arithmetic number, because the mean of its divisors is an integer number (15460200).

Almost surely, 2^143491054 is an apocalyptic number.

143491054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

143491054 is a deficient number, since it is larger than the sum of its proper divisors (103872146).

143491054 is a wasteful number, since it uses less digits than its factorization.

143491054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57447.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 143491054 is about 11978.7751460656. The cubic root of 143491054 is about 523.5300425770.

The spelling of 143491054 in words is "one hundred forty-three million, four hundred ninety-one thousand, fifty-four".