143120142 has 32 divisors (see below), whose sum is σ = 346959360. Its totient is φ = 43369560.

The previous prime is 143120119. The next prime is 143120171. The reversal of 143120142 is 241021341.

143120142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×143120142² = 40966750092200328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 119878 + ... + 121065.

It is an arithmetic number, because the mean of its divisors is an integer number (10842480).

Almost surely, 2^143120142 is an apocalyptic number.

143120142 is an abundant number, since it is smaller than the sum of its proper divisors (203839218).

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

143120142 is a wasteful number, since it uses less digits than its factorization.

143120142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240965 (or 240959 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 143120142 is about 11963.2830778177. The cubic root of 143120142 is about 523.0785600018.

Adding to 143120142 its reverse (241021341), we get a palindrome (384141483).

The spelling of 143120142 in words is "one hundred forty-three million, one hundred twenty thousand, one hundred forty-two".