45645214381 has 16 divisors (see below), whose sum is σ = 49551384960. Its totient is φ = 41795732160.

The previous prime is 45645214337. The next prime is 45645214403. The reversal of 45645214381 is 18341254654.

It is not a de Polignac number, because 45645214381 - 2⁹ = 45645213869 is a prime.

It is a super-2 number, since 2×45645214381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45645284381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6830800 + ... + 6837478.

It is an arithmetic number, because the mean of its divisors is an integer number (3096961560).

Almost surely, 2^45645214381 is an apocalyptic number.

It is an amenable number.

45645214381 is a deficient number, since it is larger than the sum of its proper divisors (3906170579).

45645214381 is a wasteful number, since it uses less digits than its factorization.

45645214381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10836.

The product of its digits is 460800, while the sum is 43.

The spelling of 45645214381 in words is "forty-five billion, six hundred forty-five million, two hundred fourteen thousand, three hundred eighty-one".