814637045 has 4 divisors (see below), whose sum is σ = 977564460. Its totient is φ = 651709632.

The previous prime is 814637039. The next prime is 814637051. The reversal of 814637045 is 540736418.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540736418 = 2 ⋅270368209.

It is an interprime number because it is at equal distance from previous prime (814637039) and next prime (814637051).

It can be written as a sum of positive squares in 2 ways, for example, as 307756849 + 506880196 = 17543^2 + 22514^2 .

It is a cyclic number.

It is not a de Polignac number, because 814637045 - 2¹⁴ = 814620661 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81463700 + ... + 81463709.

It is an arithmetic number, because the mean of its divisors is an integer number (244391115).

Almost surely, 2^814637045 is an apocalyptic number.

It is an amenable number.

814637045 is a deficient number, since it is larger than the sum of its proper divisors (162927415).

814637045 is a wasteful number, since it uses less digits than its factorization.

814637045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162927414.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 814637045 is about 28541.8472597693. The cubic root of 814637045 is about 933.9451800945.

The spelling of 814637045 in words is "eight hundred fourteen million, six hundred thirty-seven thousand, forty-five".