143149118 has 32 divisors (see below), whose sum is σ = 251693568. Its totient is φ = 59796000.

The previous prime is 143149109. The next prime is 143149121. The reversal of 143149118 is 811941341.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93983 + ... + 95493.

It is an arithmetic number, because the mean of its divisors is an integer number (7865424).

Almost surely, 2^143149118 is an apocalyptic number.

143149118 is a deficient number, since it is larger than the sum of its proper divisors (108544450).

143149118 is a wasteful number, since it uses less digits than its factorization.

143149118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688.

The product of its digits is 3456, while the sum is 32.

The square root of 143149118 is about 11964.4940553289. The cubic root of 143149118 is about 523.1138583215.

It can be divided in two parts, 14314 and 9118, that added together give a palindrome (23432).

The spelling of 143149118 in words is "one hundred forty-three million, one hundred forty-nine thousand, one hundred eighteen".