45225001 has 4 divisors (see below), whose sum is σ = 46683904. Its totient is φ = 43766100.

The previous prime is 45224903. The next prime is 45225013. The reversal of 45225001 is 10052254.

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 a cyclic number.

It is not a de Polignac number, because 45225001 - 2⁷ = 45224873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45225001.

It is not an unprimeable number, because it can be changed into a prime (45225071) 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, 729405 + ... + 729466.

It is an arithmetic number, because the mean of its divisors is an integer number (11670976).

Almost surely, 2^45225001 is an apocalyptic number.

It is an amenable number.

45225001 is a deficient number, since it is larger than the sum of its proper divisors (1458903).

45225001 is a wasteful number, since it uses less digits than its factorization.

45225001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458902.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 45225001 is about 6724.9536057879. The cubic root of 45225001 is about 356.2811633352.

Adding to 45225001 its reverse (10052254), we get a palindrome (55277255).

The spelling of 45225001 in words is "forty-five million, two hundred twenty-five thousand, one".