145333250 has 16 divisors (see below), whose sum is σ = 272064312. Its totient is φ = 58133200.

The previous prime is 145333241. The next prime is 145333273. The reversal of 145333250 is 52333541.

It can be written as a sum of positive squares in 4 ways, for example, as 12369289 + 132963961 = 3517^2 + 11531^2 .

It is a super-2 number, since 2×145333250² = 42243507111125000, which contains 22 as substring.

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, 290417 + ... + 290916.

Almost surely, 2^145333250 is an apocalyptic number.

145333250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145333250 is a deficient number, since it is larger than the sum of its proper divisors (126731062).

145333250 is an equidigital number, since it uses as much as digits as its factorization.

145333250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581350 (or 581340 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 145333250 is about 12055.4240904250. The cubic root of 145333250 is about 525.7609524508.

Adding to 145333250 its reverse (52333541), we get a palindrome (197666791).

The spelling of 145333250 in words is "one hundred forty-five million, three hundred thirty-three thousand, two hundred fifty".