1415886945 has 48 divisors (see below), whose sum is σ = 2497165440. Its totient is φ = 684541440.

The previous prime is 1415886889. The next prime is 1415886959. The reversal of 1415886945 is 5496885141.

It is a happy number.

It is not a de Polignac number, because 1415886945 - 2⁷ = 1415886817 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 795897 + ... + 797673.

It is an arithmetic number, because the mean of its divisors is an integer number (52024280).

Almost surely, 2^1415886945 is an apocalyptic number.

1415886945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1415886945 is a deficient number, since it is larger than the sum of its proper divisors (1081278495).

1415886945 is a wasteful number, since it uses less digits than its factorization.

1415886945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246 (or 2235 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 51.

The square root of 1415886945 is about 37628.2732131040. The cubic root of 1415886945 is about 1122.9045953629.

The spelling of 1415886945 in words is "one billion, four hundred fifteen million, eight hundred eighty-six thousand, nine hundred forty-five".