140455246 has 8 divisors (see below), whose sum is σ = 212769144. Its totient is φ = 69532200.

The previous prime is 140455213. The next prime is 140455267. The reversal of 140455246 is 642554041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×140455246² = 39455352257841032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347460 + ... + 347863.

It is an arithmetic number, because the mean of its divisors is an integer number (26596143).

Almost surely, 2^140455246 is an apocalyptic number.

140455246 is a deficient number, since it is larger than the sum of its proper divisors (72313898).

140455246 is a wasteful number, since it uses less digits than its factorization.

140455246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695426.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 140455246 is about 11851.3816072220. The cubic root of 140455246 is about 519.8116255550.

It can be divided in two parts, 14045 and 5246, that added together give a palindrome (19291).

The spelling of 140455246 in words is "one hundred forty million, four hundred fifty-five thousand, two hundred forty-six".