143155042 has 8 divisors (see below), whose sum is σ = 214788096. Its totient is φ = 71559012.

The previous prime is 143155039. The next prime is 143155043. The reversal of 143155042 is 240551341.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 143154998 and 143155016.

It is not an unprimeable number, because it can be changed into a prime (143155043) 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, 4503 + ... + 17509.

It is an arithmetic number, because the mean of its divisors is an integer number (26848512).

Almost surely, 2^143155042 is an apocalyptic number.

143155042 is a deficient number, since it is larger than the sum of its proper divisors (71633054).

143155042 is a wasteful number, since it uses less digits than its factorization.

143155042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18512.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 143155042 is about 11964.7416186059. The cubic root of 143155042 is about 523.1210743020.

The spelling of 143155042 in words is "one hundred forty-three million, one hundred fifty-five thousand, forty-two".