45478611 has 32 divisors (see below), whose sum is σ = 69906240. Its totient is φ = 29203200.

The previous prime is 45478597. The next prime is 45478619. The reversal of 45478611 is 11687454.

It is a happy number.

It is not a de Polignac number, because 45478611 - 2⁵ = 45478579 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45478619) 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, 87031 + ... + 87551.

It is an arithmetic number, because the mean of its divisors is an integer number (2184570).

Almost surely, 2^45478611 is an apocalyptic number.

45478611 is a deficient number, since it is larger than the sum of its proper divisors (24427629).

45478611 is a wasteful number, since it uses less digits than its factorization.

45478611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 638 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 45478611 is about 6743.7831370826. The cubic root of 45478611 is about 356.9458995768.

The spelling of 45478611 in words is "forty-five million, four hundred seventy-eight thousand, six hundred eleven".