1045415215 has 16 divisors (see below), whose sum is σ = 1352937600. Its totient is φ = 770890752.

The previous prime is 1045415213. The next prime is 1045415227. The reversal of 1045415215 is 5125145401.

It is a cyclic number.

It is not a de Polignac number, because 1045415215 - 2¹ = 1045415213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045415213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35551 + ... + 57919.

It is an arithmetic number, because the mean of its divisors is an integer number (84558600).

Almost surely, 2^1045415215 is an apocalyptic number.

1045415215 is a deficient number, since it is larger than the sum of its proper divisors (307522385).

1045415215 is a wasteful number, since it uses less digits than its factorization.

1045415215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23106.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 1045415215 is about 32332.8813284557. The cubic root of 1045415215 is about 1014.9148464076.

The spelling of 1045415215 in words is "one billion, forty-five million, four hundred fifteen thousand, two hundred fifteen".