545305152421 has 8 divisors (see below), whose sum is σ = 547590947904. Its totient is φ = 543019548480.

The previous prime is 545305152391. The next prime is 545305152487. The reversal of 545305152421 is 124251503545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545305152421 - 2¹¹ = 545305150373 is a prime.

It is a super-2 number, since 2×545305152421² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545305152121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10439856 + ... + 10491958.

It is an arithmetic number, because the mean of its divisors is an integer number (68448868488).

Almost surely, 2^545305152421 is an apocalyptic number.

It is an amenable number.

545305152421 is a deficient number, since it is larger than the sum of its proper divisors (2285795483).

545305152421 is a wasteful number, since it uses less digits than its factorization.

545305152421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95771.

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 545305152421 its reverse (124251503545), we get a palindrome (669556655966).

The spelling of 545305152421 in words is "five hundred forty-five billion, three hundred five million, one hundred fifty-two thousand, four hundred twenty-one".