145448177 has 4 divisors (see below), whose sum is σ = 166226496. Its totient is φ = 124669860.

The previous prime is 145448143. The next prime is 145448179. The reversal of 145448177 is 771844541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 145448177 - 2¹⁶ = 145382641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145448179) 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, 10389149 + ... + 10389162.

It is an arithmetic number, because the mean of its divisors is an integer number (41556624).

Almost surely, 2^145448177 is an apocalyptic number.

It is an amenable number.

145448177 is a deficient number, since it is larger than the sum of its proper divisors (20778319).

145448177 is an equidigital number, since it uses as much as digits as its factorization.

145448177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20778318.

The product of its digits is 125440, while the sum is 41.

The square root of 145448177 is about 12060.1897580428. The cubic root of 145448177 is about 525.8995034673.

The spelling of 145448177 in words is "one hundred forty-five million, four hundred forty-eight thousand, one hundred seventy-seven".