1481554751 has 4 divisors (see below), whose sum is σ = 1481786592. Its totient is φ = 1481322912.

The previous prime is 1481554733. The next prime is 1481554757. The reversal of 1481554751 is 1574551841.

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

It is a cyclic number.

It is not a de Polignac number, because 1481554751 - 2¹⁰ = 1481553727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1481554699 and 1481554708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481554757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106055 + ... + 119208.

It is an arithmetic number, because the mean of its divisors is an integer number (370446648).

Almost surely, 2^1481554751 is an apocalyptic number.

1481554751 is a deficient number, since it is larger than the sum of its proper divisors (231841).

1481554751 is an equidigital number, since it uses as much as digits as its factorization.

1481554751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231840.

The product of its digits is 112000, while the sum is 41.

The square root of 1481554751 is about 38490.9697331725. The cubic root of 1481554751 is about 1140.0027575085.

The spelling of 1481554751 in words is "one billion, four hundred eighty-one million, five hundred fifty-four thousand, seven hundred fifty-one".