1445522613 has 8 divisors (see below), whose sum is σ = 1928701248. Its totient is φ = 963012864.

The previous prime is 1445522587. The next prime is 1445522629. The reversal of 1445522613 is 3162255441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1445522613 - 2¹⁴ = 1445506229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445522213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162156 + ... + 170837.

It is an arithmetic number, because the mean of its divisors is an integer number (241087656).

Almost surely, 2^1445522613 is an apocalyptic number.

It is an amenable number.

1445522613 is a deficient number, since it is larger than the sum of its proper divisors (483178635).

1445522613 is a wasteful number, since it uses less digits than its factorization.

1445522613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334443.

The product of its digits is 28800, while the sum is 33.

The square root of 1445522613 is about 38020.0291030925. The cubic root of 1445522613 is about 1130.6849980460.

The spelling of 1445522613 in words is "one billion, four hundred forty-five million, five hundred twenty-two thousand, six hundred thirteen".