145243143155 has 12 divisors (see below), whose sum is σ = 191576906976. Its totient is φ = 105631376400.

The previous prime is 145243143137. The next prime is 145243143203. The reversal of 145243143155 is 551341342541.

It is not a de Polignac number, because 145243143155 - 2²⁸ = 144974707699 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120035051 + ... + 120036260.

It is an arithmetic number, because the mean of its divisors is an integer number (15964742248).

Almost surely, 2^145243143155 is an apocalyptic number.

145243143155 is a deficient number, since it is larger than the sum of its proper divisors (46333763821).

145243143155 is a wasteful number, since it uses less digits than its factorization.

145243143155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240071338 (or 240071327 counting only the distinct ones).

The product of its digits is 144000, while the sum is 38.

Adding to 145243143155 its reverse (551341342541), we get a palindrome (696584485696).

The spelling of 145243143155 in words is "one hundred forty-five billion, two hundred forty-three million, one hundred forty-three thousand, one hundred fifty-five".