1445415413 has 4 divisors (see below), whose sum is σ = 1556601228. Its totient is φ = 1334229600.

The previous prime is 1445415401. The next prime is 1445415437. The reversal of 1445415413 is 3145145441.

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

It can be written as a sum of positive squares in 2 ways, for example, as 207994084 + 1237421329 = 14422^2 + 35177^2 .

It is a cyclic number.

It is not a de Polignac number, because 1445415413 - 2²² = 1441221109 is a prime.

It is a super-2 number, since 2×1445415413² = 4178451432275921138, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1445415413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445415613) 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, 55592888 + ... + 55592913.

It is an arithmetic number, because the mean of its divisors is an integer number (389150307).

Almost surely, 2^1445415413 is an apocalyptic number.

1445415413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1445415413 is a deficient number, since it is larger than the sum of its proper divisors (111185815).

1445415413 is a wasteful number, since it uses less digits than its factorization.

1445415413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111185814.

The product of its digits is 19200, while the sum is 32.

The square root of 1445415413 is about 38018.6192937092. The cubic root of 1445415413 is about 1130.6570468107.

The spelling of 1445415413 in words is "one billion, four hundred forty-five million, four hundred fifteen thousand, four hundred thirteen".