45229784 has 8 divisors (see below), whose sum is σ = 84805860. Its totient is φ = 22614888.

The previous prime is 45229783. The next prime is 45229787. The reversal of 45229784 is 48792254.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45229783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2826854 + ... + 2826869.

Almost surely, 2^45229784 is an apocalyptic number.

It is an amenable number.

45229784 is a deficient number, since it is larger than the sum of its proper divisors (39576076).

45229784 is a wasteful number, since it uses less digits than its factorization.

45229784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5653729 (or 5653725 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 45229784 is about 6725.3092122221. The cubic root of 45229784 is about 356.2937230013.

The spelling of 45229784 in words is "forty-five million, two hundred twenty-nine thousand, seven hundred eighty-four".