45219654 has 48 divisors (see below), whose sum is σ = 102675600. Its totient is φ = 14750208.

The previous prime is 45219641. The next prime is 45219659. The reversal of 45219654 is 45691254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45219659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 466134 + ... + 466230.

It is an arithmetic number, because the mean of its divisors is an integer number (2139075).

Almost surely, 2^45219654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45219654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51337800).

45219654 is an abundant number, since it is smaller than the sum of its proper divisors (57455946).

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

45219654 is an equidigital number, since it uses as much as digits as its factorization.

45219654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 191 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 45219654 is about 6724.5560448256. The cubic root of 45219654 is about 356.2671216148.

The spelling of 45219654 in words is "forty-five million, two hundred nineteen thousand, six hundred fifty-four".