140421454245 has 96 divisors (see below), whose sum is σ = 265762273920. Its totient is φ = 68349173760.

The previous prime is 140421454141. The next prime is 140421454247. The reversal of 140421454245 is 542454124041.

140421454245 is a `hidden beast` number, since 1 + 404 + 2 + 1 + 4 + 5 + 4 + 245 = 666.

It is not a de Polignac number, because 140421454245 - 2¹⁵ = 140421421477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140421454247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2657685 + ... + 2710005.

It is an arithmetic number, because the mean of its divisors is an integer number (2768357020).

Almost surely, 2^140421454245 is an apocalyptic number.

140421454245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140421454245 is a deficient number, since it is larger than the sum of its proper divisors (125340819675).

140421454245 is a wasteful number, since it uses less digits than its factorization.

140421454245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52467 (or 52464 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 36.

Adding to 140421454245 its reverse (542454124041), we get a palindrome (682875578286).

The spelling of 140421454245 in words is "one hundred forty billion, four hundred twenty-one million, four hundred fifty-four thousand, two hundred forty-five".