45431630145 has 24 divisors (see below), whose sum is σ = 85907083392. Its totient is φ = 22027456800.

The previous prime is 45431630143. The next prime is 45431630159. The reversal of 45431630145 is 54103613454.

45431630145 is a `hidden beast` number, since 4 + 5 + 4 + 3 + 1 + 630 + 14 + 5 = 666.

It is not a de Polignac number, because 45431630145 - 2¹ = 45431630143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45431630143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45890041 + ... + 45891030.

It is an arithmetic number, because the mean of its divisors is an integer number (3579461808).

Almost surely, 2^45431630145 is an apocalyptic number.

45431630145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45431630145 is a deficient number, since it is larger than the sum of its proper divisors (40475453247).

45431630145 is a wasteful number, since it uses less digits than its factorization.

45431630145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91781093 (or 91781090 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

It can be divided in two parts, 45431 and 630145, that added together give a palindrome (675576).

The spelling of 45431630145 in words is "forty-five billion, four hundred thirty-one million, six hundred thirty thousand, one hundred forty-five".