545023145650 has 12 divisors (see below), whose sum is σ = 1013743051002. Its totient is φ = 218009258240.

The previous prime is 545023145593. The next prime is 545023145651. The reversal of 545023145650 is 56541320545.

It can be written as a sum of positive squares in 3 ways, for example, as 464822604841 + 80200540809 = 681779^2 + 283197^2 .

It is a super-2 number, since 2×545023145650² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (545023145651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5450231407 + ... + 5450231506.

Almost surely, 2^545023145650 is an apocalyptic number.

545023145650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

545023145650 is a deficient number, since it is larger than the sum of its proper divisors (468719905352).

545023145650 is a wasteful number, since it uses less digits than its factorization.

545023145650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10900462925 (or 10900462920 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 545023145650 in words is "five hundred forty-five billion, twenty-three million, one hundred forty-five thousand, six hundred fifty".