145011235120 has 80 divisors (see below), whose sum is σ = 343853527680. Its totient is φ = 56853568512.

The previous prime is 145011235099. The next prime is 145011235129. The reversal of 145011235120 is 21532110541.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×145011235120² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145011235129) 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, 4388902 + ... + 4421818.

It is an arithmetic number, because the mean of its divisors is an integer number (4298169096).

Almost surely, 2^145011235120 is an apocalyptic number.

145011235120 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 145011235120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171926763840).

145011235120 is an abundant number, since it is smaller than the sum of its proper divisors (198842292560).

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

145011235120 is a wasteful number, since it uses less digits than its factorization.

145011235120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34022 (or 34016 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 145011235120 its reverse (21532110541), we get a palindrome (166543345661).

The spelling of 145011235120 in words is "one hundred forty-five billion, eleven million, two hundred thirty-five thousand, one hundred twenty".