45140370 has 64 divisors (see below), whose sum is σ = 121412736. Its totient is φ = 10644480.

The previous prime is 45140341. The next prime is 45140377. The reversal of 45140370 is 7304154.

It is a self number, because there is not a number n which added to its sum of digits gives 45140370.

It is not an unprimeable number, because it can be changed into a prime (45140377) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 10362 + ... + 14058.

It is an arithmetic number, because the mean of its divisors is an integer number (1897074).

Almost surely, 2^45140370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45140370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60706368).

45140370 is an abundant number, since it is smaller than the sum of its proper divisors (76272366).

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

45140370 is a wasteful number, since it uses less digits than its factorization.

45140370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3755.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 45140370 is about 6718.6583482121. The cubic root of 45140370 is about 356.0587844264.

The spelling of 45140370 in words is "forty-five million, one hundred forty thousand, three hundred seventy".