45540415 has 8 divisors (see below), whose sum is σ = 55811520. Its totient is φ = 35656992.

The previous prime is 45540413. The next prime is 45540461. The reversal of 45540415 is 51404554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45540415 - 2¹ = 45540413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45540413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96660 + ... + 97129.

It is an arithmetic number, because the mean of its divisors is an integer number (6976440).

Almost surely, 2^45540415 is an apocalyptic number.

45540415 is a deficient number, since it is larger than the sum of its proper divisors (10271105).

45540415 is a wasteful number, since it uses less digits than its factorization.

45540415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193841.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 45540415 is about 6748.3638757850. The cubic root of 45540415 is about 357.1075191321.

Adding to 45540415 its reverse (51404554), we get a palindrome (96944969).

The spelling of 45540415 in words is "forty-five million, five hundred forty thousand, four hundred fifteen".