145051250 has 20 divisors (see below), whose sum is σ = 271886406. Its totient is φ = 58020000.

The previous prime is 145051237. The next prime is 145051267. The reversal of 145051250 is 52150541.

It is a happy number.

145051250 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 26306641 + 118744609 = 5129^2 + 10897^2 .

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 9 ways as a sum of consecutive naturals, for example, 56771 + ... + 59270.

Almost surely, 2^145051250 is an apocalyptic number.

145051250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145051250 is a deficient number, since it is larger than the sum of its proper divisors (126835156).

145051250 is an equidigital number, since it uses as much as digits as its factorization.

145051250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116063 (or 116048 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 145051250 is about 12043.7224312087. The cubic root of 145051250 is about 525.4206756776.

The spelling of 145051250 in words is "one hundred forty-five million, fifty-one thousand, two hundred fifty".