46142042 has 8 divisors (see below), whose sum is σ = 69410196. Its totient is φ = 23005312.

The previous prime is 46142009. The next prime is 46142077. The reversal of 46142042 is 24024164.

It can be written as a sum of positive squares in 2 ways, for example, as 43705321 + 2436721 = 6611^2 + 1561^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 46141999 and 46142017.

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, 31973 + ... + 33384.

Almost surely, 2^46142042 is an apocalyptic number.

46142042 is a deficient number, since it is larger than the sum of its proper divisors (23268154).

46142042 is a wasteful number, since it uses less digits than its factorization.

46142042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65712.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 46142042 is about 6792.7933871126. The cubic root of 46142042 is about 358.6732076323.

The spelling of 46142042 in words is "forty-six million, one hundred forty-two thousand, forty-two".