1445246313 has 16 divisors (see below), whose sum is σ = 2331826560. Its totient is φ = 777275136.

The previous prime is 1445246311. The next prime is 1445246333. The reversal of 1445246313 is 3136425441.

It is a happy number.

It is not a de Polignac number, because 1445246313 - 2¹ = 1445246311 is a prime.

It is a super-3 number, since 3×1445246313³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1445246311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2023798 + ... + 2024511.

It is an arithmetic number, because the mean of its divisors is an integer number (145739160).

Almost surely, 2^1445246313 is an apocalyptic number.

It is an amenable number.

1445246313 is a deficient number, since it is larger than the sum of its proper divisors (886580247).

1445246313 is a wasteful number, since it uses less digits than its factorization.

1445246313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4048336.

The product of its digits is 34560, while the sum is 33.

The square root of 1445246313 is about 38016.3953183360. The cubic root of 1445246313 is about 1130.6129530133.

The spelling of 1445246313 in words is "one billion, four hundred forty-five million, two hundred forty-six thousand, three hundred thirteen".