42148018 has 16 divisors (see below), whose sum is σ = 69082560. Its totient is φ = 19126800.

The previous prime is 42148013. The next prime is 42148019. The reversal of 42148018 is 81084124.

It is not an unprimeable number, because it can be changed into a prime (42148013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17083 + ... + 19393.

It is an arithmetic number, because the mean of its divisors is an integer number (4317660).

Almost surely, 2^42148018 is an apocalyptic number.

42148018 is a deficient number, since it is larger than the sum of its proper divisors (26934542).

42148018 is a wasteful number, since it uses less digits than its factorization.

42148018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3153.

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 42148018 is about 6492.1504911701. The cubic root of 42148018 is about 348.0105305749.

It can be divided in two parts, 4214801 and 8, that added together give a square (4214809 = 2053²).

The spelling of 42148018 in words is "forty-two million, one hundred forty-eight thousand, eighteen".