45741240 has 128 divisors (see below), whose sum is σ = 156340800. Its totient is φ = 11888640.

The previous prime is 45741239. The next prime is 45741247. The reversal of 45741240 is 4214754.

It is a super-2 number, since 2×45741240² = 4184522073475200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45741247) 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, 43764 + ... + 44796.

Almost surely, 2^45741240 is an apocalyptic number.

45741240 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 45741240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78170400).

45741240 is an abundant number, since it is smaller than the sum of its proper divisors (110599560).

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

45741240 is a wasteful number, since it uses less digits than its factorization.

45741240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094 (or 1084 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 45741240 is about 6763.2270404002. The cubic root of 45741240 is about 357.6316759473.

Adding to 45741240 its reverse (4214754), we get a palindrome (49955994).

The spelling of 45741240 in words is "forty-five million, seven hundred forty-one thousand, two hundred forty".