42988245 has 16 divisors (see below), whose sum is σ = 69653760. Its totient is φ = 22636224.

The previous prime is 42988243. The next prime is 42988249. The reversal of 42988245 is 54288924.

It is not a de Polignac number, because 42988245 - 2¹ = 42988243 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42988197 and 42988206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42988243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16954 + ... + 19323.

It is an arithmetic number, because the mean of its divisors is an integer number (4353360).

Almost surely, 2^42988245 is an apocalyptic number.

It is an amenable number.

42988245 is a deficient number, since it is larger than the sum of its proper divisors (26665515).

42988245 is a wasteful number, since it uses less digits than its factorization.

42988245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36364.

The product of its digits is 184320, while the sum is 42.

The square root of 42988245 is about 6556.5421526899. The cubic root of 42988245 is about 350.3078787538.

The spelling of 42988245 in words is "forty-two million, nine hundred eighty-eight thousand, two hundred forty-five".