142453194 has 16 divisors (see below), whose sum is σ = 306822432. Its totient is φ = 43831728.

The previous prime is 142453187. The next prime is 142453211. The reversal of 142453194 is 491354241.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 913084 + ... + 913239.

It is an arithmetic number, because the mean of its divisors is an integer number (19176402).

Almost surely, 2^142453194 is an apocalyptic number.

142453194 is an abundant number, since it is smaller than the sum of its proper divisors (164369238).

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

142453194 is a wasteful number, since it uses less digits than its factorization.

142453194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826341.

The product of its digits is 17280, while the sum is 33.

The square root of 142453194 is about 11935.3757376967. The cubic root of 142453194 is about 522.2647693081.

The spelling of 142453194 in words is "one hundred forty-two million, four hundred fifty-three thousand, one hundred ninety-four".