1463145461 has 4 divisors (see below), whose sum is σ = 1468838892. Its totient is φ = 1457452032.

The previous prime is 1463145433. The next prime is 1463145479. The reversal of 1463145461 is 1645413641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1645413641 = 859 ⋅1915499.

It can be written as a sum of positive squares in 2 ways, for example, as 796989361 + 666156100 = 28231^2 + 25810^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1463145461 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 (1463144461) 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, 2846330 + ... + 2846843.

It is an arithmetic number, because the mean of its divisors is an integer number (367209723).

Almost surely, 2^1463145461 is an apocalyptic number.

It is an amenable number.

1463145461 is a deficient number, since it is larger than the sum of its proper divisors (5693431).

1463145461 is an equidigital number, since it uses as much as digits as its factorization.

1463145461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5693430.

The product of its digits is 34560, while the sum is 35.

The square root of 1463145461 is about 38251.0844421436. The cubic root of 1463145461 is about 1135.2613036000.

The spelling of 1463145461 in words is "one billion, four hundred sixty-three million, one hundred forty-five thousand, four hundred sixty-one".