145340445320 has 64 divisors (see below), whose sum is σ = 395716855680. Its totient is φ = 46899772416.

The previous prime is 145340445281. The next prime is 145340445421. The reversal of 145340445320 is 23544043541.

145340445320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145340445320² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15262094 + ... + 15271613.

It is an arithmetic number, because the mean of its divisors is an integer number (6183075870).

Almost surely, 2^145340445320 is an apocalyptic number.

145340445320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145340445320 is an abundant number, since it is smaller than the sum of its proper divisors (250376410360).

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

145340445320 is a wasteful number, since it uses less digits than its factorization.

145340445320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30533742 (or 30533738 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 145340445320 its reverse (23544043541), we get a palindrome (168884488861).

The spelling of 145340445320 in words is "one hundred forty-five billion, three hundred forty million, four hundred forty-five thousand, three hundred twenty".