145044814 has 4 divisors (see below), whose sum is σ = 217567224. Its totient is φ = 72522406.

The previous prime is 145044793. The next prime is 145044857. The reversal of 145044814 is 418440541.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36261202 + ... + 36261205.

It is an arithmetic number, because the mean of its divisors is an integer number (54391806).

Almost surely, 2^145044814 is an apocalyptic number.

145044814 is a deficient number, since it is larger than the sum of its proper divisors (72522410).

145044814 is an equidigital number, since it uses as much as digits as its factorization.

145044814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72522409.

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 145044814 is about 12043.4552351059. The cubic root of 145044814 is about 525.4129044991.

It can be divided in two parts, 1450 and 44814, that added together give a palindrome (46264).

The spelling of 145044814 in words is "one hundred forty-five million, forty-four thousand, eight hundred fourteen".