45020541631 has 8 divisors (see below), whose sum is σ = 49666189104. Its totient is φ = 40543826880.

The previous prime is 45020541589. The next prime is 45020541673. The reversal of 45020541631 is 13614502054.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45020541589) and next prime (45020541673).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45020541631 - 2¹⁷ = 45020410559 is a prime.

It is a super-2 number, since 2×45020541631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45020541593 and 45020541602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45020541691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42232621 + ... + 42233686.

It is an arithmetic number, because the mean of its divisors is an integer number (6208273638).

Almost surely, 2^45020541631 is an apocalyptic number.

45020541631 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

45020541631 is a deficient number, since it is larger than the sum of its proper divisors (4645647473).

45020541631 is a wasteful number, since it uses less digits than its factorization.

45020541631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84466361.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 45020541631 in words is "forty-five billion, twenty million, five hundred forty-one thousand, six hundred thirty-one".