145131115250 has 96 divisors (see below), whose sum is σ = 312806437632. Its totient is φ = 49996980000.

The previous prime is 145131115229. The next prime is 145131115267. The reversal of 145131115250 is 52511131541.

It is a happy number.

145131115250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145131115250² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 919655 + ... + 1065845.

It is an arithmetic number, because the mean of its divisors is an integer number (3258400392).

Almost surely, 2^145131115250 is an apocalyptic number.

145131115250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145131115250 is an abundant number, since it is smaller than the sum of its proper divisors (167675322382).

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

145131115250 is a wasteful number, since it uses less digits than its factorization.

145131115250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146257 (or 146228 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 29.

Adding to 145131115250 its reverse (52511131541), we get a palindrome (197642246791).

The spelling of 145131115250 in words is "one hundred forty-five billion, one hundred thirty-one million, one hundred fifteen thousand, two hundred fifty".