45442474331 has 4 divisors (see below), whose sum is σ = 45442901664. Its totient is φ = 45442047000.

The previous prime is 45442474283. The next prime is 45442474361. The reversal of 45442474331 is 13347424454.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 45442474331 - 2¹⁸ = 45442212187 is a prime.

It is a super-2 number, since 2×45442474331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45442474361) 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, 85061 + ... + 313241.

It is an arithmetic number, because the mean of its divisors is an integer number (11360725416).

Almost surely, 2^45442474331 is an apocalyptic number.

45442474331 is a deficient number, since it is larger than the sum of its proper divisors (427333).

45442474331 is a wasteful number, since it uses less digits than its factorization.

45442474331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427332.

The product of its digits is 645120, while the sum is 41.

Adding to 45442474331 its reverse (13347424454), we get a palindrome (58789898785).

The spelling of 45442474331 in words is "forty-five billion, four hundred forty-two million, four hundred seventy-four thousand, three hundred thirty-one".