45375132 has 48 divisors (see below), whose sum is σ = 116226432. Its totient is φ = 13663680.

The previous prime is 45375131. The next prime is 45375133. The reversal of 45375132 is 23157354.

It is an interprime number because it is at equal distance from previous prime (45375131) and next prime (45375133).

It is a self number, because there is not a number n which added to its sum of digits gives 45375132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45375131) 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, 21843 + ... + 23829.

It is an arithmetic number, because the mean of its divisors is an integer number (2421384).

Almost surely, 2^45375132 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 45375132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58113216).

45375132 is an abundant number, since it is smaller than the sum of its proper divisors (70851300).

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

45375132 is a wasteful number, since it uses less digits than its factorization.

45375132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178 (or 2176 counting only the distinct ones).

The product of its digits is 12600, while the sum is 30.

The square root of 45375132 is about 6736.1065906056. The cubic root of 45375132 is about 356.6749703524.

It can be divided in two parts, 4537 and 5132, that added together give a palindrome (9669).

The spelling of 45375132 in words is "forty-five million, three hundred seventy-five thousand, one hundred thirty-two".