46142521 has 4 divisors (see below), whose sum is σ = 46213200. Its totient is φ = 46071844.

The previous prime is 46142513. The next prime is 46142527. The reversal of 46142521 is 12524164.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 46142521 - 2³ = 46142513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46142527) 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, 34351 + ... + 35668.

It is an arithmetic number, because the mean of its divisors is an integer number (11553300).

Almost surely, 2^46142521 is an apocalyptic number.

It is an amenable number.

46142521 is a deficient number, since it is larger than the sum of its proper divisors (70679).

46142521 is an equidigital number, since it uses as much as digits as its factorization.

46142521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70678.

The product of its digits is 1920, while the sum is 25.

The square root of 46142521 is about 6792.8286449755. The cubic root of 46142521 is about 358.6744487554.

Adding to 46142521 its reverse (12524164), we get a palindrome (58666685).

The spelling of 46142521 in words is "forty-six million, one hundred forty-two thousand, five hundred twenty-one".