45455870 has 8 divisors (see below), whose sum is σ = 81820584. Its totient is φ = 18182344.

The previous prime is 45455831. The next prime is 45455873. The reversal of 45455870 is 7855454.

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

It is a super-2 number, since 2×45455870² = 4132472234913800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45455873) 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 3 ways as a sum of consecutive naturals, for example, 2272784 + ... + 2272803.

It is an arithmetic number, because the mean of its divisors is an integer number (10227573).

Almost surely, 2^45455870 is an apocalyptic number.

45455870 is a deficient number, since it is larger than the sum of its proper divisors (36364714).

45455870 is a wasteful number, since it uses less digits than its factorization.

45455870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4545594.

The product of its (nonzero) digits is 112000, while the sum is 38.

The square root of 45455870 is about 6742.0968548368. The cubic root of 45455870 is about 356.8863942410.

The spelling of 45455870 in words is "forty-five million, four hundred fifty-five thousand, eight hundred seventy".