145077918 has 8 divisors (see below), whose sum is σ = 290155848. Its totient is φ = 48359304.

The previous prime is 145077917. The next prime is 145077943. The reversal of 145077918 is 819770541.

145077918 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

145077918 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 145077918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145077913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12089821 + ... + 12089832.

It is an arithmetic number, because the mean of its divisors is an integer number (36269481).

Almost surely, 2^145077918 is an apocalyptic number.

145077918 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

145077918 is a wasteful number, since it uses less digits than its factorization.

145077918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24179658.

The product of its (nonzero) digits is 70560, while the sum is 42.

The square root of 145077918 is about 12044.8295131147. The cubic root of 145077918 is about 525.4528736305.

The spelling of 145077918 in words is "one hundred forty-five million, seventy-seven thousand, nine hundred eighteen".