42245929 has 16 divisors (see below), whose sum is σ = 47309184. Its totient is φ = 37398400.

The previous prime is 42245927. The next prime is 42245933. The reversal of 42245929 is 92954224.

It is a cyclic number.

It is not a de Polignac number, because 42245929 - 2¹ = 42245927 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42245927) 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, 135684 + ... + 135994.

It is an arithmetic number, because the mean of its divisors is an integer number (2956824).

Almost surely, 2^42245929 is an apocalyptic number.

It is an amenable number.

42245929 is a deficient number, since it is larger than the sum of its proper divisors (5063255).

42245929 is a wasteful number, since it uses less digits than its factorization.

42245929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608.

The product of its digits is 51840, while the sum is 37.

The square root of 42245929 is about 6499.6868386100. The cubic root of 42245929 is about 348.2798015053.

It can be divided in two parts, 4224 and 5929, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 42245929 in words is "forty-two million, two hundred forty-five thousand, nine hundred twenty-nine".