5145645294 has 12 divisors (see below), whose sum is σ = 11148898176. Its totient is φ = 1715215092.

The previous prime is 5145645269. The next prime is 5145645299. The reversal of 5145645294 is 4925465415.

5145645294 is a `hidden beast` number, since 514 + 5 + 6 + 45 + 2 + 94 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145645299) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142934574 + ... + 142934609.

It is an arithmetic number, because the mean of its divisors is an integer number (929074848).

Almost surely, 2^5145645294 is an apocalyptic number.

5145645294 is an abundant number, since it is smaller than the sum of its proper divisors (6003252882).

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

5145645294 is a wasteful number, since it uses less digits than its factorization.

5145645294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285869191 (or 285869188 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 5145645294 is about 71733.1533811250. The cubic root of 5145645294 is about 1726.4206227944.

The spelling of 5145645294 in words is "five billion, one hundred forty-five million, six hundred forty-five thousand, two hundred ninety-four".