101145250 has 48 divisors (see below), whose sum is σ = 196113528. Its totient is φ = 39060000.

The previous prime is 101145221. The next prime is 101145263. The reversal of 101145250 is 52541101.

It can be written as a sum of positive squares in 4 ways, for example, as 4575321 + 96569929 = 2139^2 + 9827^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 240040 + ... + 240460.

Almost surely, 2^101145250 is an apocalyptic number.

101145250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101145250 is a deficient number, since it is larger than the sum of its proper divisors (94968278).

101145250 is an equidigital number, since it uses as much as digits as its factorization.

101145250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 101145250 is about 10057.0994824552. The cubic root of 101145250 is about 465.9240882811.

Adding to 101145250 its reverse (52541101), we get a palindrome (153686351).

The spelling of 101145250 in words is "one hundred one million, one hundred forty-five thousand, two hundred fifty".