45142104 has 64 divisors (see below), whose sum is σ = 129830400. Its totient is φ = 12812544.

The previous prime is 45142093. The next prime is 45142117. The reversal of 45142104 is 40124154.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27252 + ... + 28860.

It is an arithmetic number, because the mean of its divisors is an integer number (2028600).

Almost surely, 2^45142104 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 45142104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64915200).

45142104 is an abundant number, since it is smaller than the sum of its proper divisors (84688296).

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

45142104 is a wasteful number, since it uses less digits than its factorization.

45142104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792 (or 1788 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 45142104 is about 6718.7873905936. The cubic root of 45142104 is about 356.0633435238.

Adding to 45142104 its reverse (40124154), we get a palindrome (85266258).

The spelling of 45142104 in words is "forty-five million, one hundred forty-two thousand, one hundred four".