42795945 has 56 divisors (see below), whose sum is σ = 78696000. Its totient is φ = 22324896.

The previous prime is 42795943. The next prime is 42795947. The reversal of 42795945 is 54959724.

It is an interprime number because it is at equal distance from previous prime (42795943) and next prime (42795947).

It is not a de Polignac number, because 42795945 - 2¹ = 42795943 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 42795945.

It is not an unprimeable number, because it can be changed into a prime (42795941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 214956 + ... + 215154.

Almost surely, 2^42795945 is an apocalyptic number.

42795945 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42795945 is a deficient number, since it is larger than the sum of its proper divisors (35900055).

42795945 is an equidigital number, since it uses as much as digits as its factorization.

42795945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 266 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 42795945 is about 6541.8609737597. The cubic root of 42795945 is about 349.7847520046.

The spelling of 42795945 in words is "forty-two million, seven hundred ninety-five thousand, nine hundred forty-five".