141644155 has 4 divisors (see below), whose sum is σ = 169972992. Its totient is φ = 113315320.

The previous prime is 141644147. The next prime is 141644161. The reversal of 141644155 is 551446141.

141644155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 551446141 = 2161 ⋅255181.

It is not a de Polignac number, because 141644155 - 2³ = 141644147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14164411 + ... + 14164420.

It is an arithmetic number, because the mean of its divisors is an integer number (42493248).

Almost surely, 2^141644155 is an apocalyptic number.

141644155 is a deficient number, since it is larger than the sum of its proper divisors (28328837).

141644155 is an equidigital number, since it uses as much as digits as its factorization.

141644155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28328836.

The product of its digits is 9600, while the sum is 31.

The square root of 141644155 is about 11901.4349975119. The cubic root of 141644155 is about 521.2741866258.

The spelling of 141644155 in words is "one hundred forty-one million, six hundred forty-four thousand, one hundred fifty-five".