144155300445 has 24 divisors (see below), whose sum is σ = 269089895256. Its totient is φ = 70968763008.

The previous prime is 144155300431. The next prime is 144155300479. The reversal of 144155300445 is 544003551441.

It can be written as a sum of positive squares in 4 ways, for example, as 503688249 + 143651612196 = 22443^2 + 379014^2 .

It is not a de Polignac number, because 144155300445 - 2⁹ = 144155299933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123209074 + ... + 123210243.

It is an arithmetic number, because the mean of its divisors is an integer number (11212078969).

Almost surely, 2^144155300445 is an apocalyptic number.

144155300445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144155300445 is a deficient number, since it is larger than the sum of its proper divisors (124934594811).

144155300445 is a wasteful number, since it uses less digits than its factorization.

144155300445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246419341 (or 246419338 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 144155300445 its reverse (544003551441), we get a palindrome (688158851886).

The spelling of 144155300445 in words is "one hundred forty-four billion, one hundred fifty-five million, three hundred thousand, four hundred forty-five".