144977127 has 4 divisors (see below), whose sum is σ = 193302840. Its totient is φ = 96651416.

The previous prime is 144977113. The next prime is 144977143. The reversal of 144977127 is 721779441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 721779441 = 3 ⋅240593147.

It is a cyclic number.

It is not a de Polignac number, because 144977127 - 2²³ = 136588519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144977827) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 24162852 + ... + 24162857.

It is an arithmetic number, because the mean of its divisors is an integer number (48325710).

Almost surely, 2^144977127 is an apocalyptic number.

144977127 is a deficient number, since it is larger than the sum of its proper divisors (48325713).

144977127 is an equidigital number, since it uses as much as digits as its factorization.

144977127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48325712.

The product of its digits is 98784, while the sum is 42.

The square root of 144977127 is about 12040.6447917045. The cubic root of 144977127 is about 525.3311615862.

The spelling of 144977127 in words is "one hundred forty-four million, nine hundred seventy-seven thousand, one hundred twenty-seven".