143913738 has 32 divisors (see below), whose sum is σ = 305363520. Its totient is φ = 45059840.

The previous prime is 143913727. The next prime is 143913751. The reversal of 143913738 is 837319341.

It is a happy number.

It is a super-2 number, since 2×143913738² = 41422327970265288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 143913696 and 143913705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66148 + ... + 68288.

It is an arithmetic number, because the mean of its divisors is an integer number (9542610).

Almost surely, 2^143913738 is an apocalyptic number.

143913738 is an abundant number, since it is smaller than the sum of its proper divisors (161449782).

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

143913738 is a wasteful number, since it uses less digits than its factorization.

143913738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822.

The product of its digits is 54432, while the sum is 39.

The square root of 143913738 is about 11996.4052115623. The cubic root of 143913738 is about 524.0435957163.

The spelling of 143913738 in words is "one hundred forty-three million, nine hundred thirteen thousand, seven hundred thirty-eight".