45025451 has 4 divisors (see below), whose sum is σ = 45642312. Its totient is φ = 44408592.

The previous prime is 45025447. The next prime is 45025457. The reversal of 45025451 is 15452054.

45025451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45025451 - 2² = 45025447 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 45025451.

It is not an unprimeable number, because it can be changed into a prime (45025457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308321 + ... + 308466.

It is an arithmetic number, because the mean of its divisors is an integer number (11410578).

Almost surely, 2^45025451 is an apocalyptic number.

45025451 is a deficient number, since it is larger than the sum of its proper divisors (616861).

45025451 is an equidigital number, since it uses as much as digits as its factorization.

45025451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616860.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 45025451 is about 6710.1006698857. The cubic root of 45025451 is about 355.7563744714.

The spelling of 45025451 in words is "forty-five million, twenty-five thousand, four hundred fifty-one".