45142401 has 4 divisors (see below), whose sum is σ = 60189872. Its totient is φ = 30094932.

The previous prime is 45142393. The next prime is 45142403. The reversal of 45142401 is 10424154.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 45142401 - 2³ = 45142393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45142403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7523731 + ... + 7523736.

It is an arithmetic number, because the mean of its divisors is an integer number (15047468).

Almost surely, 2^45142401 is an apocalyptic number.

It is an amenable number.

45142401 is a deficient number, since it is larger than the sum of its proper divisors (15047471).

45142401 is a wasteful number, since it uses less digits than its factorization.

45142401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15047470.

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

The square root of 45142401 is about 6718.8094927599. The cubic root of 45142401 is about 356.0641243956.

Adding to 45142401 its reverse (10424154), we get a palindrome (55566555).

The spelling of 45142401 in words is "forty-five million, one hundred forty-two thousand, four hundred one".