18629142 has 16 divisors (see below), whose sum is σ = 42580992. Its totient is φ = 5322600.

The previous prime is 18629137. The next prime is 18629153. The reversal of 18629142 is 24192681.

It is a congruent 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, 221734 + ... + 221817.

It is an arithmetic number, because the mean of its divisors is an integer number (2661312).

Almost surely, 2^18629142 is an apocalyptic number.

18629142 is an abundant number, since it is smaller than the sum of its proper divisors (23951850).

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

18629142 is a wasteful number, since it uses less digits than its factorization.

18629142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443563.

The product of its digits is 6912, while the sum is 33.

The square root of 18629142 is about 4316.1489779664. The cubic root of 18629142 is about 265.0926079559.

The spelling of 18629142 in words is "eighteen million, six hundred twenty-nine thousand, one hundred forty-two".