45350140 has 48 divisors (see below), whose sum is σ = 104711040. Its totient is φ = 16361280.

The previous prime is 45350099. The next prime is 45350143. The reversal of 45350140 is 4105354.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45350143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29839 + ... + 31321.

It is an arithmetic number, because the mean of its divisors is an integer number (2181480).

Almost surely, 2^45350140 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 45350140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52355520).

45350140 is an abundant number, since it is smaller than the sum of its proper divisors (59360900).

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

45350140 is a wasteful number, since it uses less digits than its factorization.

45350140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642 (or 1640 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 45350140 is about 6734.2512575638. The cubic root of 45350140 is about 356.6094744332.

Adding to 45350140 its reverse (4105354), we get a palindrome (49455494).

The spelling of 45350140 in words is "forty-five million, three hundred fifty thousand, one hundred forty".