140146255 has 4 divisors (see below), whose sum is σ = 168175512. Its totient is φ = 112117000.

The previous prime is 140146243. The next prime is 140146267. The reversal of 140146255 is 552641041.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (140146243) and next prime (140146267).

It is not a de Polignac number, because 140146255 - 2¹⁹ = 139621967 is a prime.

It is a Duffinian number.

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, 14014621 + ... + 14014630.

It is an arithmetic number, because the mean of its divisors is an integer number (42043878).

Almost surely, 2^140146255 is an apocalyptic number.

140146255 is a deficient number, since it is larger than the sum of its proper divisors (28029257).

140146255 is an equidigital number, since it uses as much as digits as its factorization.

140146255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28029256.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 140146255 is about 11838.3383546847. The cubic root of 140146255 is about 519.4301635007.

Adding to 140146255 its reverse (552641041), we get a palindrome (692787296).

The spelling of 140146255 in words is "one hundred forty million, one hundred forty-six thousand, two hundred fifty-five".