145320245000 has 160 divisors (see below), whose sum is σ = 395727076800. Its totient is φ = 48978912000.

The previous prime is 145320244997. The next prime is 145320245011. The reversal of 145320245000 is 542023541.

It is a happy number.

It is a super-2 number, since 2×145320245000² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2029814 + ... + 2100186.

It is an arithmetic number, because the mean of its divisors is an integer number (2473294230).

Almost surely, 2^145320245000 is an apocalyptic number.

145320245000 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 145320245000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197863538400).

145320245000 is an abundant number, since it is smaller than the sum of its proper divisors (250406831800).

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

145320245000 is an equidigital number, since it uses as much as digits as its factorization.

145320245000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70465 (or 70446 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 145320245000 its reverse (542023541), we get a palindrome (145862268541).

The spelling of 145320245000 in words is "one hundred forty-five billion, three hundred twenty million, two hundred forty-five thousand".