45022242431 has 32 divisors (see below), whose sum is σ = 48522252288. Its totient is φ = 41692734720.

The previous prime is 45022242409. The next prime is 45022242481. The reversal of 45022242431 is 13424222054.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45022242431 is a prime.

It is a super-2 number, since 2×45022242431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45022242394 and 45022242403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45022242401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45800366 + ... + 45801348.

It is an arithmetic number, because the mean of its divisors is an integer number (1516320384).

Almost surely, 2^45022242431 is an apocalyptic number.

45022242431 is a deficient number, since it is larger than the sum of its proper divisors (3500009857).

45022242431 is a wasteful number, since it uses less digits than its factorization.

45022242431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 45022242431 its reverse (13424222054), we get a palindrome (58446464485).

The spelling of 45022242431 in words is "forty-five billion, twenty-two million, two hundred forty-two thousand, four hundred thirty-one".