45019326 has 64 divisors (see below), whose sum is σ = 104841216. Its totient is φ = 12751200.

The previous prime is 45019309. The next prime is 45019327. The reversal of 45019326 is 62391054.

It is a junction number, because it is equal to n+sod(n) for n = 45019293 and 45019302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45019327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71031 + ... + 71661.

It is an arithmetic number, because the mean of its divisors is an integer number (1638144).

Almost surely, 2^45019326 is an apocalyptic number.

45019326 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 45019326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52420608).

45019326 is an abundant number, since it is smaller than the sum of its proper divisors (59821890).

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

45019326 is a wasteful number, since it uses less digits than its factorization.

45019326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 45019326 is about 6709.6442528647. The cubic root of 45019326 is about 355.7402420651.

The spelling of 45019326 in words is "forty-five million, nineteen thousand, three hundred twenty-six".