42157483 has 4 divisors (see below), whose sum is σ = 42426160. Its totient is φ = 41888808.

The previous prime is 42157441. The next prime is 42157487. The reversal of 42157483 is 38475124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42157483 - 2¹³ = 42149291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42157487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134103 + ... + 134416.

It is an arithmetic number, because the mean of its divisors is an integer number (10606540).

Almost surely, 2^42157483 is an apocalyptic number.

42157483 is a deficient number, since it is larger than the sum of its proper divisors (268677).

42157483 is a wasteful number, since it uses less digits than its factorization.

42157483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268676.

The product of its digits is 26880, while the sum is 34.

The square root of 42157483 is about 6492.8794074740. The cubic root of 42157483 is about 348.0365790369.

The spelling of 42157483 in words is "forty-two million, one hundred fifty-seven thousand, four hundred eighty-three".