145045054020 has 48 divisors (see below), whose sum is σ = 407095496640. Its totient is φ = 38586362496.

The previous prime is 145045054019. The next prime is 145045054039. The reversal of 145045054020 is 20450540541.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2859607 + ... + 2909886.

It is an arithmetic number, because the mean of its divisors is an integer number (8481156180).

Almost surely, 2^145045054020 is an apocalyptic number.

145045054020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145045054020 is an abundant number, since it is smaller than the sum of its proper divisors (262050442620).

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

145045054020 is a wasteful number, since it uses less digits than its factorization.

145045054020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5769924 (or 5769922 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 145045054020 its reverse (20450540541), we get a palindrome (165495594561).

The spelling of 145045054020 in words is "one hundred forty-five billion, forty-five million, fifty-four thousand, twenty".