145877173 has 8 divisors (see below), whose sum is σ = 157193568. Its totient is φ = 134574384.

The previous prime is 145877159. The next prime is 145877177. The reversal of 145877173 is 371778541.

It is a happy number.

145877173 is digitally balanced in base 2, 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145877173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145877177) 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, 34986 + ... + 38932.

It is an arithmetic number, because the mean of its divisors is an integer number (19649196).

Almost surely, 2^145877173 is an apocalyptic number.

145877173 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

145877173 is a deficient number, since it is larger than the sum of its proper divisors (11316395).

145877173 is a wasteful number, since it uses less digits than its factorization.

145877173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6803.

The product of its digits is 164640, while the sum is 43.

The square root of 145877173 is about 12077.9622867436. The cubic root of 145877173 is about 526.4160387297.

The spelling of 145877173 in words is "one hundred forty-five million, eight hundred seventy-seven thousand, one hundred seventy-three".