46542239 has 4 divisors (see below), whose sum is σ = 46597656. Its totient is φ = 46486824.

The previous prime is 46542217. The next prime is 46542247. The reversal of 46542239 is 93224564.

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

It is a cyclic number.

It is not a de Polignac number, because 46542239 - 2²⁴ = 29765023 is a prime.

It is a super-2 number, since 2×46542239² = 4332360022266242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 46542199 and 46542208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46542259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26429 + ... + 28134.

It is an arithmetic number, because the mean of its divisors is an integer number (11649414).

Almost surely, 2^46542239 is an apocalyptic number.

46542239 is a deficient number, since it is larger than the sum of its proper divisors (55417).

46542239 is an equidigital number, since it uses as much as digits as its factorization.

46542239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55416.

The product of its digits is 51840, while the sum is 35.

The square root of 46542239 is about 6822.1872592300. The cubic root of 46542239 is about 359.7071667018.

The spelling of 46542239 in words is "forty-six million, five hundred forty-two thousand, two hundred thirty-nine".