143696942 has 8 divisors (see below), whose sum is σ = 217679832. Its totient is φ = 71137000.

The previous prime is 143696933. The next prime is 143696947. The reversal of 143696942 is 249696341.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×143696942² = 41297622280302728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 143696893 and 143696902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143696947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355484 + ... + 355887.

It is an arithmetic number, because the mean of its divisors is an integer number (27209979).

Almost surely, 2^143696942 is an apocalyptic number.

143696942 is a deficient number, since it is larger than the sum of its proper divisors (73982890).

143696942 is a wasteful number, since it uses less digits than its factorization.

143696942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711474.

The product of its digits is 279936, while the sum is 44.

The square root of 143696942 is about 11987.3659325141. The cubic root of 143696942 is about 523.7803184375.

The spelling of 143696942 in words is "one hundred forty-three million, six hundred ninety-six thousand, nine hundred forty-two".