42525045 has 48 divisors (see below), whose sum is σ = 77680512. Its totient is φ = 21479040.

The previous prime is 42525023. The next prime is 42525053. The reversal of 42525045 is 54052524.

It is not a de Polignac number, because 42525045 - 2⁵ = 42525013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 187222 + ... + 187448.

It is an arithmetic number, because the mean of its divisors is an integer number (1618344).

Almost surely, 2^42525045 is an apocalyptic number.

42525045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42525045 is a deficient number, since it is larger than the sum of its proper divisors (35155467).

42525045 is a wasteful number, since it uses less digits than its factorization.

42525045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 42525045 is about 6521.1229861121. The cubic root of 42525045 is about 349.0451388375.

Adding to 42525045 its reverse (54052524), we get a palindrome (96577569).

The spelling of 42525045 in words is "forty-two million, five hundred twenty-five thousand, forty-five".