45254191 has 4 divisors (see below), whose sum is σ = 45271072. Its totient is φ = 45237312.

The previous prime is 45254177. The next prime is 45254227. The reversal of 45254191 is 19145254.

45254191 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, and also an emirpimes, since its reverse is a distinct semiprime: 19145254 = 2 ⋅9572627.

It is a cyclic number.

It is not a de Polignac number, because 45254191 - 2⁵ = 45254159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45254101) 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, 3426 + ... + 10111.

It is an arithmetic number, because the mean of its divisors is an integer number (11317768).

Almost surely, 2^45254191 is an apocalyptic number.

45254191 is a deficient number, since it is larger than the sum of its proper divisors (16881).

45254191 is a wasteful number, since it uses less digits than its factorization.

45254191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16880.

The product of its digits is 7200, while the sum is 31.

The square root of 45254191 is about 6727.1235309009. The cubic root of 45254191 is about 356.3577994896.

The spelling of 45254191 in words is "forty-five million, two hundred fifty-four thousand, one hundred ninety-one".