45531302101 has 4 divisors (see below), whose sum is σ = 45934234092. Its totient is φ = 45128370112.

The previous prime is 45531302059. The next prime is 45531302107. The reversal of 45531302101 is 10120313554.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1084121476 + 44447180625 = 32926^2 + 210825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45531302101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45531302107) 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, 201465826 + ... + 201466051.

It is an arithmetic number, because the mean of its divisors is an integer number (11483558523).

Almost surely, 2^45531302101 is an apocalyptic number.

It is an amenable number.

45531302101 is a deficient number, since it is larger than the sum of its proper divisors (402931991).

45531302101 is a wasteful number, since it uses less digits than its factorization.

45531302101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402931990.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 45531302101 its reverse (10120313554), we get a palindrome (55651615655).

The spelling of 45531302101 in words is "forty-five billion, five hundred thirty-one million, three hundred two thousand, one hundred one".