140878245 has 8 divisors (see below), whose sum is σ = 225405216. Its totient is φ = 75135056.

The previous prime is 140878207. The next prime is 140878261. The reversal of 140878245 is 542878041.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 140878245 - 2¹⁵ = 140845477 is a prime.

It is a congruent number.

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, 4695927 + ... + 4695956.

It is an arithmetic number, because the mean of its divisors is an integer number (28175652).

Almost surely, 2^140878245 is an apocalyptic number.

140878245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140878245 is a deficient number, since it is larger than the sum of its proper divisors (84526971).

140878245 is an equidigital number, since it uses as much as digits as its factorization.

140878245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9391891.

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 140878245 is about 11869.2141694385. The cubic root of 140878245 is about 520.3329290557.

The spelling of 140878245 in words is "one hundred forty million, eight hundred seventy-eight thousand, two hundred forty-five".