45107782 has 4 divisors (see below), whose sum is σ = 67661676. Its totient is φ = 22553890.

The previous prime is 45107779. The next prime is 45107857. The reversal of 45107782 is 28770154.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11276944 + ... + 11276947.

It is an arithmetic number, because the mean of its divisors is an integer number (16915419).

Almost surely, 2^45107782 is an apocalyptic number.

45107782 is a deficient number, since it is larger than the sum of its proper divisors (22553894).

45107782 is a wasteful number, since it uses less digits than its factorization.

45107782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22553893.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 45107782 is about 6716.2327237820. The cubic root of 45107782 is about 355.9730811191.

The spelling of 45107782 in words is "forty-five million, one hundred seven thousand, seven hundred eighty-two".