45020430 has 192 divisors, whose sum is σ = 150958080. Its totient is φ = 9047808.

The previous prime is 45020429. The next prime is 45020431. The reversal of 45020430 is 3402054.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45020429) and next prime (45020431).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45020431) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 188251 + ... + 188489.

It is an arithmetic number, because the mean of its divisors is an integer number (786240).

Almost surely, 2^45020430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45020430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75479040).

45020430 is an abundant number, since it is smaller than the sum of its proper divisors (105937650).

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

45020430 is a wasteful number, since it uses less digits than its factorization.

45020430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 45020430 is about 6709.7265219977. The cubic root of 45020430 is about 355.7431499572.

Adding to 45020430 its reverse (3402054), we get a palindrome (48422484).

The spelling of 45020430 in words is "forty-five million, twenty thousand, four hundred thirty".