42982149 has 32 divisors (see below), whose sum is σ = 67415040. Its totient is φ = 23853312.

The previous prime is 42982141. The next prime is 42982153. The reversal of 42982149 is 94128924.

It is not a de Polignac number, because 42982149 - 2³ = 42982141 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42982141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139854 + ... + 140160.

It is an arithmetic number, because the mean of its divisors is an integer number (2106720).

Almost surely, 2^42982149 is an apocalyptic number.

It is an amenable number.

42982149 is a deficient number, since it is larger than the sum of its proper divisors (24432891).

42982149 is a wasteful number, since it uses less digits than its factorization.

42982149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489.

The product of its digits is 41472, while the sum is 39.

The square root of 42982149 is about 6556.0772570189. The cubic root of 42982149 is about 350.2913193604.

The spelling of 42982149 in words is "forty-two million, nine hundred eighty-two thousand, one hundred forty-nine".