8145644058 has 24 divisors (see below), whose sum is σ = 17661859488. Its totient is φ = 2713220232.

The previous prime is 8145644057. The next prime is 8145644081. The reversal of 8145644058 is 8504465418.

It is a happy number.

8145644058 is a `hidden beast` number, since 81 + 4 + 564 + 4 + 0 + 5 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (8145644053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140916 + ... + 190127.

It is an arithmetic number, because the mean of its divisors is an integer number (735910812).

Almost surely, 2^8145644058 is an apocalyptic number.

8145644058 is an abundant number, since it is smaller than the sum of its proper divisors (9516215430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8145644058 is a wasteful number, since it uses less digits than its factorization.

8145644058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332418 (or 332415 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The square root of 8145644058 is about 90253.2218704684. The cubic root of 8145644058 is about 2012.0640874113.

The spelling of 8145644058 in words is "eight billion, one hundred forty-five million, six hundred forty-four thousand, fifty-eight".