185406142 has 8 divisors (see below), whose sum is σ = 292746600. Its totient is φ = 87823944.

The previous prime is 185406113. The next prime is 185406163. The reversal of 185406142 is 241604581.

185406142 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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2439517 + ... + 2439592.

It is an arithmetic number, because the mean of its divisors is an integer number (36593325).

Almost surely, 2^185406142 is an apocalyptic number.

185406142 is a deficient number, since it is larger than the sum of its proper divisors (107340458).

185406142 is a wasteful number, since it uses less digits than its factorization.

185406142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4879130.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 185406142 is about 13616.3924003386. The cubic root of 185406142 is about 570.2185906254.

The spelling of 185406142 in words is "one hundred eighty-five million, four hundred six thousand, one hundred forty-two".