145313250 has 32 divisors (see below), whose sum is σ = 362703744. Its totient is φ = 38750000.

The previous prime is 145313221. The next prime is 145313261. The reversal of 145313250 is 52313541.

It is a super-2 number, since 2×145313250² = 42231881251125000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145313250.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96126 + ... + 97625.

It is an arithmetic number, because the mean of its divisors is an integer number (11334492).

Almost surely, 2^145313250 is an apocalyptic number.

145313250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145313250 is an abundant number, since it is smaller than the sum of its proper divisors (217390494).

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

145313250 is a wasteful number, since it uses less digits than its factorization.

145313250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193771 (or 193761 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 145313250 is about 12054.5945597519. The cubic root of 145313250 is about 525.7368338557.

Adding to 145313250 its reverse (52313541), we get a palindrome (197626791).

The spelling of 145313250 in words is "one hundred forty-five million, three hundred thirteen thousand, two hundred fifty".