142043331 has 8 divisors (see below), whose sum is σ = 197625600. Its totient is φ = 90578312.

The previous prime is 142043323. The next prime is 142043351. The reversal of 142043331 is 133340241.

142043331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 142043331 - 2³ = 142043323 is a prime.

It is a super-2 number, since 2×142043331² = 40352615763151122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142043298 and 142043307.

It is not an unprimeable number, because it can be changed into a prime (142043351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029231 + ... + 1029368.

It is an arithmetic number, because the mean of its divisors is an integer number (24703200).

Almost surely, 2^142043331 is an apocalyptic number.

142043331 is a deficient number, since it is larger than the sum of its proper divisors (55582269).

142043331 is a wasteful number, since it uses less digits than its factorization.

142043331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058625.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 142043331 is about 11918.1932775065. The cubic root of 142043331 is about 521.7634055007.

Adding to 142043331 its reverse (133340241), we get a palindrome (275383572).

The spelling of 142043331 in words is "one hundred forty-two million, forty-three thousand, three hundred thirty-one".