945252109 has 16 divisors (see below), whose sum is σ = 1018356480. Its totient is φ = 874566720.

The previous prime is 945252097. The next prime is 945252127. The reversal of 945252109 is 901252549.

It is a cyclic number.

It is not a de Polignac number, because 945252109 - 2⁷ = 945251981 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945252149) 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, 582319 + ... + 583939.

It is an arithmetic number, because the mean of its divisors is an integer number (63647280).

Almost surely, 2^945252109 is an apocalyptic number.

It is an amenable number.

945252109 is a deficient number, since it is larger than the sum of its proper divisors (73104371).

945252109 is a wasteful number, since it uses less digits than its factorization.

945252109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 945252109 is about 30744.9525776183. The cubic root of 945252109 is about 981.4071514621.

The spelling of 945252109 in words is "nine hundred forty-five million, two hundred fifty-two thousand, one hundred nine".