45352140 has 24 divisors (see below), whose sum is σ = 126986160. Its totient is φ = 12093888.

The previous prime is 45352127. The next prime is 45352147. The reversal of 45352140 is 4125354.

It is a self number, because there is not a number n which added to its sum of digits gives 45352140.

It is not an unprimeable number, because it can be changed into a prime (45352147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377875 + ... + 377994.

It is an arithmetic number, because the mean of its divisors is an integer number (5291090).

Almost surely, 2^45352140 is an apocalyptic number.

It is an amenable number.

45352140 is an abundant number, since it is smaller than the sum of its proper divisors (81634020).

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

45352140 is a wasteful number, since it uses less digits than its factorization.

45352140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755881 (or 755879 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 45352140 is about 6734.3997505346. The cubic root of 45352140 is about 356.6147166696.

Adding to 45352140 its reverse (4125354), we get a palindrome (49477494).

The spelling of 45352140 in words is "forty-five million, three hundred fifty-two thousand, one hundred forty".