45215635 has 4 divisors (see below), whose sum is σ = 54258768. Its totient is φ = 36172504.

The previous prime is 45215633. The next prime is 45215641. The reversal of 45215635 is 53651254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53651254 = 2 ⋅26825627.

It is a cyclic number.

It is not a de Polignac number, because 45215635 - 2¹ = 45215633 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45215597 and 45215606.

It is not an unprimeable number, because it can be changed into a prime (45215633) 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, 4521559 + ... + 4521568.

It is an arithmetic number, because the mean of its divisors is an integer number (13564692).

Almost surely, 2^45215635 is an apocalyptic number.

45215635 is a deficient number, since it is larger than the sum of its proper divisors (9043133).

45215635 is an equidigital number, since it uses as much as digits as its factorization.

45215635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9043132.

The product of its digits is 18000, while the sum is 31.

The square root of 45215635 is about 6724.2572080491. The cubic root of 45215635 is about 356.2565666174.

Adding to 45215635 its reverse (53651254), we get a palindrome (98866889).

The spelling of 45215635 in words is "forty-five million, two hundred fifteen thousand, six hundred thirty-five".