45425240 has 64 divisors (see below), whose sum is σ = 119050560. Its totient is φ = 15275520.

The previous prime is 45425213. The next prime is 45425267. The reversal of 45425240 is 4252454.

45425240 = T₄₄₈ + T₄₄₉ + ... + T₇₁₂.

It is an interprime number because it is at equal distance from previous prime (45425213) and next prime (45425267).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13310 + ... + 16370.

It is an arithmetic number, because the mean of its divisors is an integer number (1860165).

Almost surely, 2^45425240 is an apocalyptic number.

45425240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45425240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59525280).

45425240 is an abundant number, since it is smaller than the sum of its proper divisors (73625320).

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

45425240 is a wasteful number, since it uses less digits than its factorization.

45425240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3132 (or 3128 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 45425240 is about 6739.8249235422. The cubic root of 45425240 is about 356.8062147429.

Adding to 45425240 its reverse (4252454), we get a palindrome (49677694).

The spelling of 45425240 in words is "forty-five million, four hundred twenty-five thousand, two hundred forty".