42657045 has 8 divisors (see below), whose sum is σ = 68251296. Its totient is φ = 22750416.

The previous prime is 42657037. The next prime is 42657049. The reversal of 42657045 is 54075624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42657045 - 2³ = 42657037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42656997 and 42657015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42657049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1421887 + ... + 1421916.

It is an arithmetic number, because the mean of its divisors is an integer number (8531412).

Almost surely, 2^42657045 is an apocalyptic number.

It is an amenable number.

42657045 is a deficient number, since it is larger than the sum of its proper divisors (25594251).

42657045 is a wasteful number, since it uses less digits than its factorization.

42657045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843811.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 42657045 is about 6531.2361004637. The cubic root of 42657045 is about 349.4059173572.

The spelling of 42657045 in words is "forty-two million, six hundred fifty-seven thousand, forty-five".