45213782 has 4 divisors (see below), whose sum is σ = 67820676. Its totient is φ = 22606890.

The previous prime is 45213767. The next prime is 45213793. The reversal of 45213782 is 28731254.

45213782 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: 28731254 = 2 ⋅14365627.

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 as a sum of consecutive naturals, namely, 11303444 + ... + 11303447.

It is an arithmetic number, because the mean of its divisors is an integer number (16955169).

Almost surely, 2^45213782 is an apocalyptic number.

45213782 is a deficient number, since it is larger than the sum of its proper divisors (22606894).

45213782 is a wasteful number, since it uses less digits than its factorization.

45213782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22606893.

The product of its digits is 13440, while the sum is 32.

The square root of 45213782 is about 6724.1194219020. The cubic root of 45213782 is about 356.2516999201.

The spelling of 45213782 in words is "forty-five million, two hundred thirteen thousand, seven hundred eighty-two".