118042145 has 16 divisors (see below), whose sum is σ = 155796480. Its totient is φ = 85312704.

The previous prime is 118042129. The next prime is 118042147. The reversal of 118042145 is 541240811.

It is a cyclic number.

It is not a de Polignac number, because 118042145 - 2⁴ = 118042129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118042147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16265 + ... + 22374.

It is an arithmetic number, because the mean of its divisors is an integer number (9737280).

Almost surely, 2^118042145 is an apocalyptic number.

It is an amenable number.

118042145 is a deficient number, since it is larger than the sum of its proper divisors (37754335).

118042145 is a wasteful number, since it uses less digits than its factorization.

118042145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38704.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 118042145 is about 10864.7201988823. The cubic root of 118042145 is about 490.5452004581.

Adding to 118042145 its reverse (541240811), we get a palindrome (659282956).

The spelling of 118042145 in words is "one hundred eighteen million, forty-two thousand, one hundred forty-five".