45040445454331 has 4 divisors (see below), whose sum is σ = 46493363049664. Its totient is φ = 43587527859000.

The previous prime is 45040445454313. The next prime is 45040445454349. The reversal of 45040445454331 is 13345454404054.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (45040445454313) and next prime (45040445454349).

It is a cyclic number.

It is not a de Polignac number, because 45040445454331 - 2³⁹ = 44490689640443 is a prime.

It is a super-2 number, since 2×45040445454331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45040445454931) 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, 726458797620 + ... + 726458797681.

It is an arithmetic number, because the mean of its divisors is an integer number (11623340762416).

Almost surely, 2^{45040445454331} is an apocalyptic number.

45040445454331 is a deficient number, since it is larger than the sum of its proper divisors (1452917595333).

45040445454331 is a wasteful number, since it uses less digits than its factorization.

45040445454331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452917595332.

The product of its (nonzero) digits is 4608000, while the sum is 46.

Adding to 45040445454331 its reverse (13345454404054), we get a palindrome (58385899858385).

The spelling of 45040445454331 in words is "forty-five trillion, forty billion, four hundred forty-five million, four hundred fifty-four thousand, three hundred thirty-one".