8045621451 has 24 divisors (see below), whose sum is σ = 13291958784. Its totient is φ = 4593933360.

The previous prime is 8045621443. The next prime is 8045621477. The reversal of 8045621451 is 1541265408.

It is a happy number.

8045621451 is a `hidden beast` number, since 80 + 4 + 562 + 14 + 5 + 1 = 666.

It is not a de Polignac number, because 8045621451 - 2³ = 8045621443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8045621431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33486 + ... + 131196.

It is an arithmetic number, because the mean of its divisors is an integer number (553831616).

Almost surely, 2^8045621451 is an apocalyptic number.

8045621451 is a deficient number, since it is larger than the sum of its proper divisors (5246337333).

8045621451 is a wasteful number, since it uses less digits than its factorization.

8045621451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99031 (or 99028 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 8045621451 is about 89697.3882061234. The cubic root of 8045621451 is about 2003.7945835979.

Adding to 8045621451 its reverse (1541265408), we get a palindrome (9586886859).

The spelling of 8045621451 in words is "eight billion, forty-five million, six hundred twenty-one thousand, four hundred fifty-one".