45355578 has 16 divisors (see below), whose sum is σ = 91004736. Its totient is φ = 15069600.

The previous prime is 45355577. The next prime is 45355589. The reversal of 45355578 is 87555354.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45355571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10198 + ... + 13953.

It is an arithmetic number, because the mean of its divisors is an integer number (5687796).

Almost surely, 2^45355578 is an apocalyptic number.

45355578 is an abundant number, since it is smaller than the sum of its proper divisors (45649158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45355578 is a wasteful number, since it uses less digits than its factorization.

45355578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24469.

The product of its digits is 420000, while the sum is 42.

The square root of 45355578 is about 6734.6550022997. The cubic root of 45355578 is about 356.6237277138.

The spelling of 45355578 in words is "forty-five million, three hundred fifty-five thousand, five hundred seventy-eight".