142685433 has 24 divisors (see below), whose sum is σ = 225650880. Its totient is φ = 86163360.

The previous prime is 142685429. The next prime is 142685447. The reversal of 142685433 is 334586241.

142685433 is a `hidden beast` number, since 142 + 6 + 85 + 433 = 666.

It is not a de Polignac number, because 142685433 - 2² = 142685429 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142685533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26548 + ... + 31466.

It is an arithmetic number, because the mean of its divisors is an integer number (9402120).

Almost surely, 2^142685433 is an apocalyptic number.

It is an amenable number.

142685433 is a deficient number, since it is larger than the sum of its proper divisors (82965447).

142685433 is a wasteful number, since it uses less digits than its factorization.

142685433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5229 (or 5226 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 142685433 is about 11945.1007948866. The cubic root of 142685433 is about 522.5484283157.

It can be divided in two parts, 14268 and 5433, that added together give a triangular number (19701 = T₁₉₈).

The spelling of 142685433 in words is "one hundred forty-two million, six hundred eighty-five thousand, four hundred thirty-three".