42045497 has 8 divisors (see below), whose sum is σ = 45581760. Its totient is φ = 38552400.

The previous prime is 42045491. The next prime is 42045511. The reversal of 42045497 is 79454024.

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

It is a cyclic number.

It is not a de Polignac number, because 42045497 - 2⁴ = 42045481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42045491) 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, 8747 + ... + 12672.

It is an arithmetic number, because the mean of its divisors is an integer number (5697720).

Almost surely, 2^42045497 is an apocalyptic number.

It is an amenable number.

42045497 is a deficient number, since it is larger than the sum of its proper divisors (3536263).

42045497 is a wasteful number, since it uses less digits than its factorization.

42045497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21583.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 42045497 is about 6484.2499180707. The cubic root of 42045497 is about 347.7281341022.

The spelling of 42045497 in words is "forty-two million, forty-five thousand, four hundred ninety-seven".