144601545645 has 48 divisors (see below), whose sum is σ = 255105002880. Its totient is φ = 75750000768.

The previous prime is 144601545637. The next prime is 144601545677. The reversal of 144601545645 is 546545106441.

144601545645 is a `hidden beast` number, since 1 + 4 + 4 + 60 + 1 + 545 + 6 + 45 = 666.

It is not a de Polignac number, because 144601545645 - 2³ = 144601545637 is a prime.

It is a super-3 number, since 3×144601545645³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 144601545645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3224799 + ... + 3269331.

It is an arithmetic number, because the mean of its divisors is an integer number (5314687560).

Almost surely, 2^144601545645 is an apocalyptic number.

144601545645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144601545645 is a deficient number, since it is larger than the sum of its proper divisors (110503457235).

144601545645 is a wasteful number, since it uses less digits than its factorization.

144601545645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45826 (or 45823 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 45.

The spelling of 144601545645 in words is "one hundred forty-four billion, six hundred one million, five hundred forty-five thousand, six hundred forty-five".