45782815 has 16 divisors (see below), whose sum is σ = 61076736. Its totient is φ = 32716800.

The previous prime is 45782813. The next prime is 45782861. The reversal of 45782815 is 51828754.

It is not a de Polignac number, because 45782815 - 2¹ = 45782813 is a prime.

It is a super-2 number, since 2×45782815² = 4192132298648450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45782813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9346 + ... + 13375.

It is an arithmetic number, because the mean of its divisors is an integer number (3817296).

Almost surely, 2^45782815 is an apocalyptic number.

45782815 is a deficient number, since it is larger than the sum of its proper divisors (15293921).

45782815 is a wasteful number, since it uses less digits than its factorization.

45782815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22770.

The product of its digits is 89600, while the sum is 40.

The square root of 45782815 is about 6766.2999490120. The cubic root of 45782815 is about 357.7399956638.

The spelling of 45782815 in words is "forty-five million, seven hundred eighty-two thousand, eight hundred fifteen".