185494142 has 24 divisors (see below), whose sum is σ = 290607408. Its totient is φ = 88788960.

The previous prime is 185494139. The next prime is 185494147. The reversal of 185494142 is 241494581.

It is a junction number, because it is equal to n+sod(n) for n = 185494096 and 185494105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (185494147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197498 + ... + 198434.

It is an arithmetic number, because the mean of its divisors is an integer number (12108642).

Almost surely, 2^185494142 is an apocalyptic number.

185494142 is a deficient number, since it is larger than the sum of its proper divisors (105113266).

185494142 is a wasteful number, since it uses less digits than its factorization.

185494142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104 (or 1073 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 185494142 is about 13619.6234162329. The cubic root of 185494142 is about 570.3087913394.

The spelling of 185494142 in words is "one hundred eighty-five million, four hundred ninety-four thousand, one hundred forty-two".