144102557 has 16 divisors (see below), whose sum is σ = 157132800. Its totient is φ = 131639040.

The previous prime is 144102547. The next prime is 144102619. The reversal of 144102557 is 755201441.

144102557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 144102557 - 2¹⁰ = 144101533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144102547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81044 + ... + 82802.

It is an arithmetic number, because the mean of its divisors is an integer number (9820800).

Almost surely, 2^144102557 is an apocalyptic number.

144102557 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

144102557 is a deficient number, since it is larger than the sum of its proper divisors (13030243).

144102557 is a wasteful number, since it uses less digits than its factorization.

144102557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 144102557 is about 12004.2724477579. The cubic root of 144102557 is about 524.2726823571.

Adding to 144102557 its reverse (755201441), we get a palindrome (899303998).

The spelling of 144102557 in words is "one hundred forty-four million, one hundred two thousand, five hundred fifty-seven".