1445052015 has 32 divisors (see below), whose sum is σ = 2802528000. Its totient is φ = 700630560.

The previous prime is 1445052001. The next prime is 1445052017. The reversal of 1445052015 is 5102505441.

1445052015 is a `hidden beast` number, since 1 + 4 + 450 + 5 + 201 + 5 = 666.

It is not a de Polignac number, because 1445052015 - 2⁴ = 1445051999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1445052015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445052017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 485065 + ... + 488034.

It is an arithmetic number, because the mean of its divisors is an integer number (87579000).

Almost surely, 2^1445052015 is an apocalyptic number.

1445052015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1445052015 is a deficient number, since it is larger than the sum of its proper divisors (1357475985).

1445052015 is a wasteful number, since it uses less digits than its factorization.

1445052015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973124 (or 973118 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1445052015 is about 38013.8397823740. The cubic root of 1445052015 is about 1130.5622844459.

Adding to 1445052015 its reverse (5102505441), we get a palindrome (6547557456).

The spelling of 1445052015 in words is "one billion, four hundred forty-five million, fifty-two thousand, fifteen".