1461140455 has 8 divisors (see below), whose sum is σ = 1753610400. Its totient is φ = 1168751136.

The previous prime is 1461140441. The next prime is 1461140467. The reversal of 1461140455 is 5540411641.

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 1461140455 - 2⁵ = 1461140423 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31981 + ... + 62809.

It is an arithmetic number, because the mean of its divisors is an integer number (219201300).

Almost surely, 2^1461140455 is an apocalyptic number.

1461140455 is a deficient number, since it is larger than the sum of its proper divisors (292469945).

1461140455 is an equidigital number, since it uses as much as digits as its factorization.

1461140455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40313.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 1461140455 is about 38224.8669716456. The cubic root of 1461140455 is about 1134.7425020857.

The spelling of 1461140455 in words is "one billion, four hundred sixty-one million, one hundred forty thousand, four hundred fifty-five".