1461554648 has 16 divisors (see below), whose sum is σ = 2741148000. Its totient is φ = 730581856.

The previous prime is 1461554641. The next prime is 1461554657. The reversal of 1461554648 is 8464551641.

It is a happy number.

It is a super-2 number, since 2×1461554648² = 4272283978180807808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1461554599 and 1461554608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461554641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10238 + ... + 55026.

It is an arithmetic number, because the mean of its divisors is an integer number (171321750).

Almost surely, 2^1461554648 is an apocalyptic number.

It is an amenable number.

1461554648 is a deficient number, since it is larger than the sum of its proper divisors (1279593352).

1461554648 is a wasteful number, since it uses less digits than its factorization.

1461554648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48874 (or 48870 counting only the distinct ones).

The product of its digits is 460800, while the sum is 44.

The square root of 1461554648 is about 38230.2844352485. The cubic root of 1461554648 is about 1134.8497146847.

The spelling of 1461554648 in words is "one billion, four hundred sixty-one million, five hundred fifty-four thousand, six hundred forty-eight".