145790118 has 20 divisors (see below), whose sum is σ = 326678220. Its totient is φ = 48596652.

The previous prime is 145790111. The next prime is 145790129. The reversal of 145790118 is 811097541.

145790118 is a `hidden beast` number, since 1 + 457 + 90 + 118 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145790111) 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 9 ways as a sum of consecutive naturals, for example, 449808 + ... + 450131.

It is an arithmetic number, because the mean of its divisors is an integer number (16333911).

Almost surely, 2^145790118 is an apocalyptic number.

145790118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

145790118 is an abundant number, since it is smaller than the sum of its proper divisors (180888102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145790118 is an equidigital number, since it uses as much as digits as its factorization.

145790118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899953 (or 899944 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The square root of 145790118 is about 12074.3578711251. The cubic root of 145790118 is about 526.3113016042.

The spelling of 145790118 in words is "one hundred forty-five million, seven hundred ninety thousand, one hundred eighteen".