1517045748 has 12 divisors (see below), whose sum is σ = 3539773440. Its totient is φ = 505681912.

The previous prime is 1517045741. The next prime is 1517045749. The reversal of 1517045748 is 8475407151.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1517045741) 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, 63210228 + ... + 63210251.

It is an arithmetic number, because the mean of its divisors is an integer number (294981120).

Almost surely, 2^1517045748 is an apocalyptic number.

It is an amenable number.

1517045748 is an abundant number, since it is smaller than the sum of its proper divisors (2022727692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1517045748 is a wasteful number, since it uses less digits than its factorization.

1517045748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126420486 (or 126420484 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 42.

The square root of 1517045748 is about 38949.2714694383. The cubic root of 1517045748 is about 1149.0340339608.

The spelling of 1517045748 in words is "one billion, five hundred seventeen million, forty-five thousand, seven hundred forty-eight".