1461544455 has 16 divisors (see below), whose sum is σ = 2672538624. Its totient is φ = 668134560.

The previous prime is 1461544433. The next prime is 1461544471. The reversal of 1461544455 is 5544451641.

It is not a de Polignac number, because 1461544455 - 2⁷ = 1461544327 is a prime.

It is a super-2 number, since 2×1461544455² = 4272224387882494050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6959631 + ... + 6959840.

It is an arithmetic number, because the mean of its divisors is an integer number (167033664).

Almost surely, 2^1461544455 is an apocalyptic number.

1461544455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1461544455 is a deficient number, since it is larger than the sum of its proper divisors (1210994169).

1461544455 is a wasteful number, since it uses less digits than its factorization.

1461544455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13919486.

The product of its digits is 192000, while the sum is 39.

The square root of 1461544455 is about 38230.1511244724. The cubic root of 1461544455 is about 1134.8470765008.

The spelling of 1461544455 in words is "one billion, four hundred sixty-one million, five hundred forty-four thousand, four hundred fifty-five".