144923534887 has 4 divisors (see below), whose sum is σ = 144982139680. Its totient is φ = 144864930096.

The previous prime is 144923534879. The next prime is 144923534891. The reversal of 144923534887 is 788435329441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144923534887 - 2³ = 144923534879 is a prime.

It is a super-2 number, since 2×144923534887² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144923534387) 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, 29298687 + ... + 29303632.

It is an arithmetic number, because the mean of its divisors is an integer number (36245534920).

Almost surely, 2^144923534887 is an apocalyptic number.

144923534887 is a deficient number, since it is larger than the sum of its proper divisors (58604793).

144923534887 is an equidigital number, since it uses as much as digits as its factorization.

144923534887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58604792.

The product of its digits is 23224320, while the sum is 58.

The spelling of 144923534887 in words is "one hundred forty-four billion, nine hundred twenty-three million, five hundred thirty-four thousand, eight hundred eighty-seven".