145116023 has 8 divisors (see below), whose sum is σ = 156703008. Its totient is φ = 133589664.

The previous prime is 145116007. The next prime is 145116031. The reversal of 145116023 is 320611541.

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

It is not a de Polignac number, because 145116023 - 2⁴ = 145116007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145116023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145115023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10115 + ... + 19812.

It is an arithmetic number, because the mean of its divisors is an integer number (19587876).

Almost surely, 2^145116023 is an apocalyptic number.

145116023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145116023 is a deficient number, since it is larger than the sum of its proper divisors (11586985).

145116023 is a wasteful number, since it uses less digits than its factorization.

145116023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30313.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 145116023 is about 12046.4112083226. The cubic root of 145116023 is about 525.4988733464.

Adding to 145116023 its reverse (320611541), we get a palindrome (465727564).

The spelling of 145116023 in words is "one hundred forty-five million, one hundred sixteen thousand, twenty-three".