140046454 has 16 divisors (see below), whose sum is σ = 222022080. Its totient is φ = 66069000.

The previous prime is 140046451. The next prime is 140046461. The reversal of 140046454 is 454640041.

140046454 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140046454² = 39226018555948232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140046451) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2197 + ... + 16879.

It is an arithmetic number, because the mean of its divisors is an integer number (13876380).

Almost surely, 2^140046454 is an apocalyptic number.

140046454 is a deficient number, since it is larger than the sum of its proper divisors (81975626).

140046454 is a wasteful number, since it uses less digits than its factorization.

140046454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14955.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 140046454 is about 11834.1224431725. The cubic root of 140046454 is about 519.3068352915.

Adding to 140046454 its reverse (454640041), we get a palindrome (594686495).

The spelling of 140046454 in words is "one hundred forty million, forty-six thousand, four hundred fifty-four".