140424454 has 32 divisors (see below), whose sum is σ = 229197600. Its totient is φ = 64276992.

The previous prime is 140424419. The next prime is 140424491. The reversal of 140424454 is 454424041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268237 + ... + 268759.

It is an arithmetic number, because the mean of its divisors is an integer number (7162425).

Almost surely, 2^140424454 is an apocalyptic number.

140424454 is a deficient number, since it is larger than the sum of its proper divisors (88773146).

140424454 is a wasteful number, since it uses less digits than its factorization.

140424454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744.

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 140424454 is about 11850.0824469706. The cubic root of 140424454 is about 519.7736366823.

Adding to 140424454 its reverse (454424041), we get a palindrome (594848495).

It can be divided in two parts, 14042 and 4454, that added together give a square (18496 = 136²).

The spelling of 140424454 in words is "one hundred forty million, four hundred twenty-four thousand, four hundred fifty-four".