42945315 has 64 divisors (see below), whose sum is σ = 85017600. Its totient is φ = 18439680.

The previous prime is 42945307. The next prime is 42945341. The reversal of 42945315 is 51354924.

42945315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42945315 - 2³ = 42945307 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 87220 + ... + 87710.

It is an arithmetic number, because the mean of its divisors is an integer number (1328400).

Almost surely, 2^42945315 is an apocalyptic number.

42945315 is a deficient number, since it is larger than the sum of its proper divisors (42072285).

42945315 is a wasteful number, since it uses less digits than its factorization.

42945315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537 (or 523 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 42945315 is about 6553.2675056036. The cubic root of 42945315 is about 350.1912288330.

The spelling of 42945315 in words is "forty-two million, nine hundred forty-five thousand, three hundred fifteen".