145331443020 has 48 divisors (see below), whose sum is σ = 407002202208. Its totient is φ = 38747988480.

The previous prime is 145331443013. The next prime is 145331443031. The reversal of 145331443020 is 20344133541.

145331443020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145331443020² (a number of 23 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115480 + ... + 551360.

It is an arithmetic number, because the mean of its divisors is an integer number (8479212546).

Almost surely, 2^145331443020 is an apocalyptic number.

145331443020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145331443020 is an abundant number, since it is smaller than the sum of its proper divisors (261670759188).

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

145331443020 is a wasteful number, since it uses less digits than its factorization.

145331443020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441450 (or 441448 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 145331443020 its reverse (20344133541), we get a palindrome (165675576561).

The spelling of 145331443020 in words is "one hundred forty-five billion, three hundred thirty-one million, four hundred forty-three thousand, twenty".