42975045 has 24 divisors (see below), whose sum is σ = 74880000. Its totient is φ = 22800096.

The previous prime is 42975041. The next prime is 42975077. The reversal of 42975045 is 54057924.

It is not a de Polignac number, because 42975045 - 2² = 42975041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42975041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6556 + ... + 11354.

It is an arithmetic number, because the mean of its divisors is an integer number (3120000).

Almost surely, 2^42975045 is an apocalyptic number.

42975045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42975045 is a deficient number, since it is larger than the sum of its proper divisors (31904955).

42975045 is a wasteful number, since it uses less digits than its factorization.

42975045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5009 (or 5006 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 42975045 is about 6555.5354472385. The cubic root of 42975045 is about 350.2720198241.

The spelling of 42975045 in words is "forty-two million, nine hundred seventy-five thousand, forty-five".