45542130 has 16 divisors (see below), whose sum is σ = 109301184. Its totient is φ = 12144560.

The previous prime is 45542129. The next prime is 45542137. The reversal of 45542130 is 3124554.

It is a self number, because there is not a number n which added to its sum of digits gives 45542130.

It is not an unprimeable number, because it can be changed into a prime (45542137) 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, 759006 + ... + 759065.

It is an arithmetic number, because the mean of its divisors is an integer number (6831324).

Almost surely, 2^45542130 is an apocalyptic number.

45542130 is an abundant number, since it is smaller than the sum of its proper divisors (63759054).

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

45542130 is a wasteful number, since it uses less digits than its factorization.

45542130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518081.

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

The square root of 45542130 is about 6748.4909424256. The cubic root of 45542130 is about 357.1120018296.

Adding to 45542130 its reverse (3124554), we get a palindrome (48666684).

The spelling of 45542130 in words is "forty-five million, five hundred forty-two thousand, one hundred thirty".