140302453 has 8 divisors (see below), whose sum is σ = 142329600. Its totient is φ = 138283488.

The previous prime is 140302429. The next prime is 140302469. The reversal of 140302453 is 354203041.

140302453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140302453 - 2²⁵ = 106748021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140302153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37993 + ... + 41521.

It is an arithmetic number, because the mean of its divisors is an integer number (17791200).

Almost surely, 2^140302453 is an apocalyptic number.

It is an amenable number.

140302453 is a deficient number, since it is larger than the sum of its proper divisors (2027147).

140302453 is an equidigital number, since it uses as much as digits as its factorization.

140302453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4091.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 140302453 is about 11844.9336427014. The cubic root of 140302453 is about 519.6230663342.

Adding to 140302453 its reverse (354203041), we get a palindrome (494505494).

The spelling of 140302453 in words is "one hundred forty million, three hundred two thousand, four hundred fifty-three".