45194227827 has 64 divisors (see below), whose sum is σ = 72627093504. Its totient is φ = 24457201920.

The previous prime is 45194227817. The next prime is 45194227843. The reversal of 45194227827 is 72872249154.

It is a happy number.

It is not a de Polignac number, because 45194227827 - 2⁷ = 45194227699 is a prime.

It is a super-2 number, since 2×45194227827² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45194227827.

It is not an unprimeable number, because it can be changed into a prime (45194227817) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5777623 + ... + 5785439.

It is an arithmetic number, because the mean of its divisors is an integer number (1134798336).

Almost surely, 2^45194227827 is an apocalyptic number.

45194227827 is a deficient number, since it is larger than the sum of its proper divisors (27432865677).

45194227827 is a wasteful number, since it uses less digits than its factorization.

45194227827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8048.

The product of its digits is 2257920, while the sum is 51.

The spelling of 45194227827 in words is "forty-five billion, one hundred ninety-four million, two hundred twenty-seven thousand, eight hundred twenty-seven".