118145445 has 16 divisors (see below), whose sum is σ = 206217792. Its totient is φ = 57282560.

The previous prime is 118145407. The next prime is 118145473. The reversal of 118145445 is 544541811.

It is not a de Polignac number, because 118145445 - 2¹² = 118141349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357852 + ... + 358181.

It is an arithmetic number, because the mean of its divisors is an integer number (12888612).

Almost surely, 2^118145445 is an apocalyptic number.

118145445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118145445 is a deficient number, since it is larger than the sum of its proper divisors (88072347).

118145445 is a wasteful number, since it uses less digits than its factorization.

118145445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716052.

The product of its digits is 12800, while the sum is 33.

The square root of 118145445 is about 10869.4730783051. The cubic root of 118145445 is about 490.6882525993.

The spelling of 118145445 in words is "one hundred eighteen million, one hundred forty-five thousand, four hundred forty-five".