45012050523431 has 4 divisors (see below), whose sum is σ = 45041450949864. Its totient is φ = 44982650097000.

The previous prime is 45012050523403. The next prime is 45012050523491. The reversal of 45012050523431 is 13432505021054.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45012050523431 is a prime.

It is a super-2 number, since 2×45012050523431² (a number of 28 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 = 45012050523391 and 45012050523400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45012050523491) 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, 14700210920 + ... + 14700213981.

It is an arithmetic number, because the mean of its divisors is an integer number (11260362737466).

Almost surely, 2^{45012050523431} is an apocalyptic number.

45012050523431 is a deficient number, since it is larger than the sum of its proper divisors (29400426433).

45012050523431 is a wasteful number, since it uses less digits than its factorization.

45012050523431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29400426432.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 45012050523431 its reverse (13432505021054), we get a palindrome (58444555544485).

The spelling of 45012050523431 in words is "forty-five trillion, twelve billion, fifty million, five hundred twenty-three thousand, four hundred thirty-one".