140022454 has 32 divisors (see below), whose sum is σ = 249570720. Its totient is φ = 58080000.

The previous prime is 140022439. The next prime is 140022479. The reversal of 140022454 is 454220041.

It is a happy number.

140022454 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22704 + ... + 28204.

It is an arithmetic number, because the mean of its divisors is an integer number (7799085).

Almost surely, 2^140022454 is an apocalyptic number.

140022454 is a deficient number, since it is larger than the sum of its proper divisors (109548266).

140022454 is a wasteful number, since it uses less digits than its factorization.

140022454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5616.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 140022454 is about 11833.1083828384. The cubic root of 140022454 is about 519.2771687637.

Adding to 140022454 its reverse (454220041), we get a palindrome (594242495).

The spelling of 140022454 in words is "one hundred forty million, twenty-two thousand, four hundred fifty-four".