145888743161 has 6 divisors (see below), whose sum is σ = 169707313530. Its totient is φ = 125047494096.

The previous prime is 145888743149. The next prime is 145888743163. The reversal of 145888743161 is 161347888541.

It can be written as a sum of positive squares in only one way, i.e., 143493228025 + 2395515136 = 378805^2 + 48944^2 .

It is not a de Polignac number, because 145888743161 - 2¹⁰ = 145888742137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145888743097 and 145888743106.

It is not an unprimeable number, because it can be changed into a prime (145888743163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1488660596 + ... + 1488660693.

It is an arithmetic number, because the mean of its divisors is an integer number (28284552255).

Almost surely, 2^145888743161 is an apocalyptic number.

It is an amenable number.

145888743161 is a deficient number, since it is larger than the sum of its proper divisors (23818570369).

145888743161 is an equidigital number, since it uses as much as digits as its factorization.

145888743161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977321303 (or 2977321296 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 56.

The spelling of 145888743161 in words is "one hundred forty-five billion, eight hundred eighty-eight million, seven hundred forty-three thousand, one hundred sixty-one".