149289418561 has 8 divisors (see below), whose sum is σ = 158537437920. Its totient is φ = 140180467392.

The previous prime is 149289418457. The next prime is 149289418639. The reversal of 149289418561 is 165814982941.

149289418561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149289418561 - 2⁷ = 149289418433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149289418496 and 149289418505.

It is not an unprimeable number, because it can be changed into a prime (149289488561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34764835 + ... + 34769128.

It is an arithmetic number, because the mean of its divisors is an integer number (19817179740).

Almost surely, 2^149289418561 is an apocalyptic number.

It is an amenable number.

149289418561 is a deficient number, since it is larger than the sum of its proper divisors (9248019359).

149289418561 is a wasteful number, since it uses less digits than its factorization.

149289418561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69534095.

The product of its digits is 4976640, while the sum is 58.

The spelling of 149289418561 in words is "one hundred forty-nine billion, two hundred eighty-nine million, four hundred eighteen thousand, five hundred sixty-one".