140433453 has 16 divisors (see below), whose sum is σ = 208436800. Its totient is φ = 93448080.

The previous prime is 140433451. The next prime is 140433479. The reversal of 140433453 is 354334041.

140433453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140433453 - 2¹ = 140433451 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140433451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10863 + ... + 19971.

It is an arithmetic number, because the mean of its divisors is an integer number (13027300).

Almost surely, 2^140433453 is an apocalyptic number.

It is an amenable number.

140433453 is a deficient number, since it is larger than the sum of its proper divisors (68003347).

140433453 is an equidigital number, since it uses as much as digits as its factorization.

140433453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9689 (or 9683 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 140433453 is about 11850.4621428871. The cubic root of 140433453 is about 519.7847395515.

Adding to 140433453 its reverse (354334041), we get a palindrome (494767494).

The spelling of 140433453 in words is "one hundred forty million, four hundred thirty-three thousand, four hundred fifty-three".