149554951565 has 16 divisors (see below), whose sum is σ = 180259248576. Its totient is φ = 119115360000.

The previous prime is 149554951493. The next prime is 149554951573. The reversal of 149554951565 is 565159455941.

149554951565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149554951565 - 2³⁶ = 80835474829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5098190 + ... + 5127440.

It is an arithmetic number, because the mean of its divisors is an integer number (11266203036).

Almost surely, 2^149554951565 is an apocalyptic number.

It is an amenable number.

149554951565 is a deficient number, since it is larger than the sum of its proper divisors (30704297011).

149554951565 is a wasteful number, since it uses less digits than its factorization.

149554951565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33740.

The product of its digits is 24300000, while the sum is 59.

The spelling of 149554951565 in words is "one hundred forty-nine billion, five hundred fifty-four million, nine hundred fifty-one thousand, five hundred sixty-five".