145000250 has 16 divisors (see below), whose sum is σ = 271440936. Its totient is φ = 58000000.

The previous prime is 145000249. The next prime is 145000277. The reversal of 145000250 is 52000541.

It can be written as a sum of positive squares in 4 ways, for example, as 89094721 + 55905529 = 9439^2 + 7477^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289751 + ... + 290250.

Almost surely, 2^145000250 is an apocalyptic number.

145000250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145000250 is a deficient number, since it is larger than the sum of its proper divisors (126440686).

145000250 is an equidigital number, since it uses as much as digits as its factorization.

145000250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580018 (or 580008 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 145000250 is about 12041.6049594728. The cubic root of 145000250 is about 525.3590891795.

Adding to 145000250 its reverse (52000541), we get a palindrome (197000791).

The spelling of 145000250 in words is "one hundred forty-five million, two hundred fifty", and thus it is an aban number.