545451142340 has 192 divisors, whose sum is σ = 1342545684480. Its totient is φ = 184343040000.

The previous prime is 545451142337. The next prime is 545451142381. The reversal of 545451142340 is 43241154545.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 545451142294 and 545451142303.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 107348600 + ... + 107353680.

It is an arithmetic number, because the mean of its divisors is an integer number (6992425440).

Almost surely, 2^545451142340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545451142340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (671272842240).

545451142340 is an abundant number, since it is smaller than the sum of its proper divisors (797094542140).

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

545451142340 is a wasteful number, since it uses less digits than its factorization.

545451142340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5854 (or 5852 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 545451142340 its reverse (43241154545), we get a palindrome (588692296885).

The spelling of 545451142340 in words is "five hundred forty-five billion, four hundred fifty-one million, one hundred forty-two thousand, three hundred forty".