45203340 has 192 divisors, whose sum is σ = 165279744. Its totient is φ = 8957952.

The previous prime is 45203339. The next prime is 45203341. The reversal of 45203340 is 4330254.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45203339) and next prime (45203341).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (45203341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 92577 + ... + 93063.

It is an arithmetic number, because the mean of its divisors is an integer number (860832).

Almost surely, 2^45203340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45203340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82639872).

45203340 is an abundant number, since it is smaller than the sum of its proper divisors (120076404).

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

45203340 is a wasteful number, since it uses less digits than its factorization.

45203340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 45203340 is about 6723.3429185190. The cubic root of 45203340 is about 356.2242726881.

Adding to 45203340 its reverse (4330254), we get a palindrome (49533594).

The spelling of 45203340 in words is "forty-five million, two hundred three thousand, three hundred forty".