46142 has 4 divisors (see below), whose sum is σ = 69216. Its totient is φ = 23070.

The previous prime is 46141. The next prime is 46147. The reversal of 46142 is 24164.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 46142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11534 + ... + 11537.

It is an arithmetic number, because the mean of its divisors is an integer number (17304).

2⁴⁶¹⁴² is an apocalyptic number.

46142 is a deficient number, since it is larger than the sum of its proper divisors (23074).

46142 is a wasteful number, since it uses less digits than its factorization.

46142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23073.

The product of its digits is 192, while the sum is 17.

The square root of 46142 is about 214.8068900199. The cubic root of 46142 is about 35.8673098807.

The spelling of 46142 in words is "forty-six thousand, one hundred forty-two".