545401222431 has 16 divisors (see below), whose sum is σ = 785384191200. Its totient is φ = 334669818240.

The previous prime is 545401222427. The next prime is 545401222511. The reversal of 545401222431 is 134222104545.

It is not a de Polignac number, because 545401222431 - 2² = 545401222427 is a prime.

It is a super-2 number, since 2×545401222431² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 545401222392 and 545401222401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545401222831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20021700 + ... + 20048921.

It is an arithmetic number, because the mean of its divisors is an integer number (49086511950).

Almost surely, 2^545401222431 is an apocalyptic number.

545401222431 is a deficient number, since it is larger than the sum of its proper divisors (239982968769).

545401222431 is a wasteful number, since it uses less digits than its factorization.

545401222431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40070986.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 545401222431 its reverse (134222104545), we get a palindrome (679623326976).

The spelling of 545401222431 in words is "five hundred forty-five billion, four hundred one million, two hundred twenty-two thousand, four hundred thirty-one".