45451419 has 8 divisors (see below), whose sum is σ = 65263632. Its totient is φ = 27970080.

The previous prime is 45451403. The next prime is 45451423. The reversal of 45451419 is 91415454.

45451419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45451419 - 2⁴ = 45451403 is a prime.

It is a super-2 number, since 2×45451419² = 4131662978227122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45451419.

It is not an unprimeable number, because it can be changed into a prime (45451459) 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 7 ways as a sum of consecutive naturals, for example, 582672 + ... + 582749.

It is an arithmetic number, because the mean of its divisors is an integer number (8157954).

Almost surely, 2^45451419 is an apocalyptic number.

45451419 is a deficient number, since it is larger than the sum of its proper divisors (19812213).

45451419 is a wasteful number, since it uses less digits than its factorization.

45451419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165437.

The product of its digits is 14400, while the sum is 33.

The square root of 45451419 is about 6741.7667565706. The cubic root of 45451419 is about 356.8747451904.

The spelling of 45451419 in words is "forty-five million, four hundred fifty-one thousand, four hundred nineteen".