45349740 has 96 divisors (see below), whose sum is σ = 142349760. Its totient is φ = 11985408.

The previous prime is 45349729. The next prime is 45349741. The reversal of 45349740 is 4794354.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 45349695 and 45349704.

It is not an unprimeable number, because it can be changed into a prime (45349741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73674 + ... + 74286.

It is an arithmetic number, because the mean of its divisors is an integer number (1482810).

Almost surely, 2^45349740 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 45349740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71174880).

45349740 is an abundant number, since it is smaller than the sum of its proper divisors (97000020).

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

45349740 is a wasteful number, since it uses less digits than its factorization.

45349740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 45349740 is about 6734.2215585768. The cubic root of 45349740 is about 356.6084259674.

The spelling of 45349740 in words is "forty-five million, three hundred forty-nine thousand, seven hundred forty".