45503430 has 64 divisors (see below), whose sum is σ = 130249728. Its totient is φ = 9947520.

The previous prime is 45503413. The next prime is 45503431. The reversal of 45503430 is 3430554.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 45503430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45503431) 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, 120 + ... + 9540.

It is an arithmetic number, because the mean of its divisors is an integer number (2035152).

Almost surely, 2^45503430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45503430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65124864).

45503430 is an abundant number, since it is smaller than the sum of its proper divisors (84746298).

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

45503430 is a wasteful number, since it uses less digits than its factorization.

45503430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9461.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 45503430 is about 6745.6230253402. The cubic root of 45503430 is about 357.0108196864.

Adding to 45503430 its reverse (3430554), we get a palindrome (48933984).

The spelling of 45503430 in words is "forty-five million, five hundred three thousand, four hundred thirty".