45342213 has 32 divisors (see below), whose sum is σ = 73903104. Its totient is φ = 24137472.

The previous prime is 45342211. The next prime is 45342239. The reversal of 45342213 is 31224354.

45342213 is nontrivially palindromic in base 15.

It is not a de Polignac number, because 45342213 - 2¹ = 45342211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45342211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37606 + ... + 38792.

It is an arithmetic number, because the mean of its divisors is an integer number (2309472).

Almost surely, 2^45342213 is an apocalyptic number.

It is an amenable number.

45342213 is a deficient number, since it is larger than the sum of its proper divisors (28560891).

45342213 is a wasteful number, since it uses less digits than its factorization.

45342213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321.

The product of its digits is 2880, while the sum is 24.

The square root of 45342213 is about 6733.6626734638. The cubic root of 45342213 is about 356.5886953130.

Adding to 45342213 its reverse (31224354), we get a palindrome (76566567).

The spelling of 45342213 in words is "forty-five million, three hundred forty-two thousand, two hundred thirteen".