46142609 has 4 divisors (see below), whose sum is σ = 46618404. Its totient is φ = 45666816.

The previous prime is 46142587. The next prime is 46142611. The reversal of 46142609 is 90624164.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11662225 + 34480384 = 3415^2 + 5872^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46142609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46142639) 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, 237752 + ... + 237945.

It is an arithmetic number, because the mean of its divisors is an integer number (11654601).

Almost surely, 2^46142609 is an apocalyptic number.

It is an amenable number.

46142609 is a deficient number, since it is larger than the sum of its proper divisors (475795).

46142609 is an equidigital number, since it uses as much as digits as its factorization.

46142609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475794.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 46142609 is about 6792.8351223918. The cubic root of 46142609 is about 358.6746767688.

The spelling of 46142609 in words is "forty-six million, one hundred forty-two thousand, six hundred nine".