143139888 has 30 divisors (see below), whose sum is σ = 400593284. Its totient is φ = 47713248.

The previous prime is 143139877. The next prime is 143139947. The reversal of 143139888 is 888931341.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 496870 + ... + 497157.

Almost surely, 2^143139888 is an apocalyptic number.

143139888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

143139888 is an abundant number, since it is smaller than the sum of its proper divisors (257453396).

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

143139888 is a wasteful number, since it uses less digits than its factorization.

143139888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994041 (or 994032 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 143139888 is about 11964.1083244845. The cubic root of 143139888 is about 523.1026149301.

The spelling of 143139888 in words is "one hundred forty-three million, one hundred thirty-nine thousand, eight hundred eighty-eight".