45145415 has 24 divisors (see below), whose sum is σ = 63666720. Its totient is φ = 30639168.

The previous prime is 45145409. The next prime is 45145417. The reversal of 45145415 is 51454154.

It is not a de Polignac number, because 45145415 - 2¹⁴ = 45129031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45145417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24341 + ... + 26129.

It is an arithmetic number, because the mean of its divisors is an integer number (2652780).

Almost surely, 2^45145415 is an apocalyptic number.

45145415 is a deficient number, since it is larger than the sum of its proper divisors (18521305).

45145415 is a wasteful number, since it uses less digits than its factorization.

45145415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911 (or 1904 counting only the distinct ones).

The product of its digits is 8000, while the sum is 29.

The square root of 45145415 is about 6719.0337847045. The cubic root of 45145415 is about 356.0720486040.

Adding to 45145415 its reverse (51454154), we get a palindrome (96599569).

The spelling of 45145415 in words is "forty-five million, one hundred forty-five thousand, four hundred fifteen".