140242850 has 24 divisors (see below), whose sum is σ = 284566608. Its totient is φ = 50997200.

The previous prime is 140242847. The next prime is 140242873. The reversal of 140242850 is 58242041.

It is a happy number.

It is a super-2 number, since 2×140242850² = 39336113952245000, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126944 + ... + 128043.

It is an arithmetic number, because the mean of its divisors is an integer number (11856942).

Almost surely, 2^140242850 is an apocalyptic number.

140242850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140242850 is an abundant number, since it is smaller than the sum of its proper divisors (144323758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140242850 is a wasteful number, since it uses less digits than its factorization.

140242850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255010 (or 255005 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 140242850 is about 11842.4174052429. The cubic root of 140242850 is about 519.5494741775.

Adding to 140242850 its reverse (58242041), we get a palindrome (198484891).

The spelling of 140242850 in words is "one hundred forty million, two hundred forty-two thousand, eight hundred fifty".