140752250 has 16 divisors (see below), whose sum is σ = 263488680. Its totient is φ = 56300800.

The previous prime is 140752151. The next prime is 140752267. The reversal of 140752250 is 52257041.

It can be written as a sum of positive squares in 4 ways, for example, as 24910081 + 115842169 = 4991^2 + 10763^2 .

It is a super-2 number, since 2×140752250² = 39622391760125000, 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, 281255 + ... + 281754.

Almost surely, 2^140752250 is an apocalyptic number.

140752250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140752250 is a deficient number, since it is larger than the sum of its proper divisors (122736430).

140752250 is an equidigital number, since it uses as much as digits as its factorization.

140752250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563026 (or 563016 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 140752250 is about 11863.9053435199. The cubic root of 140752250 is about 520.1777622033.

The spelling of 140752250 in words is "one hundred forty million, seven hundred fifty-two thousand, two hundred fifty".