45242775 has 36 divisors (see below), whose sum is σ = 81476928. Its totient is φ = 23998080.

The previous prime is 45242773. The next prime is 45242777. The reversal of 45242775 is 57724254.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45242773) and next prime (45242777).

It is not a de Polignac number, because 45242775 - 2¹ = 45242773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45242773) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 51994 + ... + 52856.

It is an arithmetic number, because the mean of its divisors is an integer number (2263248).

Almost surely, 2^45242775 is an apocalyptic number.

45242775 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45242775 is a deficient number, since it is larger than the sum of its proper divisors (36234153).

45242775 is a wasteful number, since it uses less digits than its factorization.

45242775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112 (or 1104 counting only the distinct ones).

The product of its digits is 78400, while the sum is 36.

The square root of 45242775 is about 6726.2749720778. The cubic root of 45242775 is about 356.3278315633.

The spelling of 45242775 in words is "forty-five million, two hundred forty-two thousand, seven hundred seventy-five".