145771195 has 16 divisors (see below), whose sum is σ = 181480320. Its totient is φ = 112320000.

The previous prime is 145771189. The next prime is 145771201. The reversal of 145771195 is 591177541.

It is an interprime number because it is at equal distance from previous prime (145771189) and next prime (145771201).

It is not a de Polignac number, because 145771195 - 2²⁷ = 11553467 is a prime.

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 in 15 ways as a sum of consecutive naturals, for example, 11695 + ... + 20695.

It is an arithmetic number, because the mean of its divisors is an integer number (11342520).

Almost surely, 2^145771195 is an apocalyptic number.

145771195 is a deficient number, since it is larger than the sum of its proper divisors (35709125).

145771195 is an equidigital number, since it uses as much as digits as its factorization.

145771195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9126.

The product of its digits is 44100, while the sum is 40.

The square root of 145771195 is about 12073.5742429489. The cubic root of 145771195 is about 526.2885295539.

It can be divided in two parts, 14577119 and 5, that added together give a square (14577124 = 3818²).

The spelling of 145771195 in words is "one hundred forty-five million, seven hundred seventy-one thousand, one hundred ninety-five".