45227881 has 8 divisors (see below), whose sum is σ = 46262304. Its totient is φ = 44204160.

The previous prime is 45227869. The next prime is 45227887. The reversal of 45227881 is 18872254.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45227881 is a prime.

It is a super-2 number, since 2×45227881² = 4091122439500322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45227881.

It is not an unprimeable number, because it can be changed into a prime (45227887) 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, 6201 + ... + 11353.

It is an arithmetic number, because the mean of its divisors is an integer number (5782788).

Almost surely, 2^45227881 is an apocalyptic number.

It is an amenable number.

45227881 is a deficient number, since it is larger than the sum of its proper divisors (1034423).

45227881 is a wasteful number, since it uses less digits than its factorization.

45227881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5351.

The product of its digits is 35840, while the sum is 37.

The square root of 45227881 is about 6725.1677302503. The cubic root of 45227881 is about 356.2887260251.

It can be divided in two parts, 4522 and 7881, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 45227881 in words is "forty-five million, two hundred twenty-seven thousand, eight hundred eighty-one".