42573545 has 8 divisors (see below), whose sum is σ = 58386624. Its totient is φ = 29193264.

The previous prime is 42573523. The next prime is 42573563. The reversal of 42573545 is 54537524.

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 42573545 - 2¹⁴ = 42557161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 1216387 = 42573545 / (4 + 2 + 5 + 7 + 3 + 5 + 4 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608159 + ... + 608228.

It is an arithmetic number, because the mean of its divisors is an integer number (7298328).

Almost surely, 2^42573545 is an apocalyptic number.

It is an amenable number.

42573545 is a deficient number, since it is larger than the sum of its proper divisors (15813079).

42573545 is a wasteful number, since it uses less digits than its factorization.

42573545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216399.

The product of its digits is 84000, while the sum is 35.

The square root of 42573545 is about 6524.8406110801. The cubic root of 42573545 is about 349.1777842590.

The spelling of 42573545 in words is "forty-two million, five hundred seventy-three thousand, five hundred forty-five".