140484455 has 4 divisors (see below), whose sum is σ = 168581352. Its totient is φ = 112387560.

The previous prime is 140484451. The next prime is 140484521. The reversal of 140484455 is 554484041.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 140484455 - 2² = 140484451 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 (140484451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14048441 + ... + 14048450.

It is an arithmetic number, because the mean of its divisors is an integer number (42145338).

Almost surely, 2^140484455 is an apocalyptic number.

140484455 is a deficient number, since it is larger than the sum of its proper divisors (28096897).

140484455 is an equidigital number, since it uses as much as digits as its factorization.

140484455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28096896.

The product of its (nonzero) digits is 51200, while the sum is 35.

The square root of 140484455 is about 11852.6138467428. The cubic root of 140484455 is about 519.8476563093.

The spelling of 140484455 in words is "one hundred forty million, four hundred eighty-four thousand, four hundred fifty-five".