45478511 has 8 divisors (see below), whose sum is σ = 49077840. Its totient is φ = 41893632.

The previous prime is 45478507. The next prime is 45478523. The reversal of 45478511 is 11587454.

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 45478511 - 2² = 45478507 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45478541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3455 + ... + 10143.

It is an arithmetic number, because the mean of its divisors is an integer number (6134730).

Almost surely, 2^45478511 is an apocalyptic number.

45478511 is a deficient number, since it is larger than the sum of its proper divisors (3599329).

45478511 is a wasteful number, since it uses less digits than its factorization.

45478511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7225.

The product of its digits is 22400, while the sum is 35.

The square root of 45478511 is about 6743.7757228425. The cubic root of 45478511 is about 356.9456379548.

The spelling of 45478511 in words is "forty-five million, four hundred seventy-eight thousand, five hundred eleven".