45019853 has 8 divisors (see below), whose sum is σ = 45562176. Its totient is φ = 44480800.

The previous prime is 45019837. The next prime is 45019867. The reversal of 45019853 is 35891054.

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 45019853 - 2⁴ = 45019837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45019153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36200 + ... + 37422.

It is an arithmetic number, because the mean of its divisors is an integer number (5695272).

Almost surely, 2^45019853 is an apocalyptic number.

It is an amenable number.

45019853 is a deficient number, since it is larger than the sum of its proper divisors (542323).

45019853 is a wasteful number, since it uses less digits than its factorization.

45019853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 45019853 is about 6709.6835245785. The cubic root of 45019853 is about 355.7416301681.

The spelling of 45019853 in words is "forty-five million, nineteen thousand, eight hundred fifty-three".