45142325 has 24 divisors (see below), whose sum is σ = 57877248. Its totient is φ = 34908480.

The previous prime is 45142267. The next prime is 45142333. The reversal of 45142325 is 52324154.

It is a happy number.

It is not a de Polignac number, because 45142325 - 2¹⁶ = 45076789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45142294 and 45142303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120839 + ... + 121211.

It is an arithmetic number, because the mean of its divisors is an integer number (2411552).

Almost surely, 2^45142325 is an apocalyptic number.

It is an amenable number.

45142325 is a deficient number, since it is larger than the sum of its proper divisors (12734923).

45142325 is a wasteful number, since it uses less digits than its factorization.

45142325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 528 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 45142325 is about 6718.8038369936. The cubic root of 45142325 is about 356.0639245769.

Adding to 45142325 its reverse (52324154), we get a palindrome (97466479).

The spelling of 45142325 in words is "forty-five million, one hundred forty-two thousand, three hundred twenty-five".