545141161644 has 24 divisors (see below), whose sum is σ = 1284590066928. Its totient is φ = 179914574400.

The previous prime is 545141161627. The next prime is 545141161657. The reversal of 545141161644 is 446161141545.

It is a happy number.

It is a super-2 number, since 2×545141161644² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 545141161596 and 545141161605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224892007 + ... + 224894430.

It is an arithmetic number, because the mean of its divisors is an integer number (53524586122).

Almost surely, 2^545141161644 is an apocalyptic number.

It is an amenable number.

545141161644 is an abundant number, since it is smaller than the sum of its proper divisors (739448905284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545141161644 is a wasteful number, since it uses less digits than its factorization.

545141161644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449786545 (or 449786543 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The spelling of 545141161644 in words is "five hundred forty-five billion, one hundred forty-one million, one hundred sixty-one thousand, six hundred forty-four".