45189455 has 4 divisors (see below), whose sum is σ = 54227352. Its totient is φ = 36151560.

The previous prime is 45189437. The next prime is 45189481. The reversal of 45189455 is 55498154.

45189455 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 not a de Polignac number, because 45189455 - 2¹² = 45185359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 4518941 + ... + 4518950.

It is an arithmetic number, because the mean of its divisors is an integer number (13556838).

Almost surely, 2^45189455 is an apocalyptic number.

45189455 is a deficient number, since it is larger than the sum of its proper divisors (9037897).

45189455 is an equidigital number, since it uses as much as digits as its factorization.

45189455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9037896.

The product of its digits is 144000, while the sum is 41.

The square root of 45189455 is about 6722.3102427662. The cubic root of 45189455 is about 356.1877954385.

The spelling of 45189455 in words is "forty-five million, one hundred eighty-nine thousand, four hundred fifty-five".