145022020000 has 240 divisors, whose sum is σ = 419157601632. Its totient is φ = 48677760000.

The previous prime is 145022019983. The next prime is 145022020009. The reversal of 145022020000 is 20220541.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (145022020009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2834647 + ... + 2885353.

Almost surely, 2^145022020000 is an apocalyptic number.

145022020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145022020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209578800816).

145022020000 is an abundant number, since it is smaller than the sum of its proper divisors (274135581632).

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

145022020000 is a wasteful number, since it uses less digits than its factorization.

145022020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50761 (or 50738 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

Adding to 145022020000 its reverse (20220541), we get a palindrome (145042240541).

The spelling of 145022020000 in words is "one hundred forty-five billion, twenty-two million, twenty thousand".