145603433020 has 48 divisors (see below), whose sum is σ = 322390978560. Its totient is φ = 55085050944.

The previous prime is 145603432999. The next prime is 145603433021. The reversal of 145603433020 is 20334306541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145603433021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84964 + ... + 546283.

It is an arithmetic number, because the mean of its divisors is an integer number (6716478720).

Almost surely, 2^145603433020 is an apocalyptic number.

145603433020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145603433020 is an abundant number, since it is smaller than the sum of its proper divisors (176787545540).

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

145603433020 is a wasteful number, since it uses less digits than its factorization.

145603433020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631882 (or 631880 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 145603433020 its reverse (20334306541), we get a palindrome (165937739561).

The spelling of 145603433020 in words is "one hundred forty-five billion, six hundred three million, four hundred thirty-three thousand, twenty".