45456951184581 has 4 divisors (see below), whose sum is σ = 60609268246112. Its totient is φ = 30304634123052.

The previous prime is 45456951184571. The next prime is 45456951184591. The reversal of 45456951184581 is 18548115965454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (45456951184571) and next prime (45456951184591).

It is not a de Polignac number, because 45456951184581 - 2⁵ = 45456951184549 is a prime.

It is a super-2 number, since 2×45456951184581² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45456951184501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7576158530761 + ... + 7576158530766.

It is an arithmetic number, because the mean of its divisors is an integer number (15152317061528).

Almost surely, 2^{45456951184581} is an apocalyptic number.

It is an amenable number.

45456951184581 is a deficient number, since it is larger than the sum of its proper divisors (15152317061531).

45456951184581 is a wasteful number, since it uses less digits than its factorization.

45456951184581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15152317061530.

The product of its digits is 138240000, while the sum is 66.

The spelling of 45456951184581 in words is "forty-five trillion, four hundred fifty-six billion, nine hundred fifty-one million, one hundred eighty-four thousand, five hundred eighty-one".