149723592517 has 16 divisors (see below), whose sum is σ = 155019755520. Its totient is φ = 144457038000.

The previous prime is 149723592509. The next prime is 149723592617. The reversal of 149723592517 is 715295327941.

149723592517 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 149723592517 - 2³ = 149723592509 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 (149723592617) 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 15 ways as a sum of consecutive naturals, for example, 30534688 + ... + 30539590.

It is an arithmetic number, because the mean of its divisors is an integer number (9688734720).

Almost surely, 2^149723592517 is an apocalyptic number.

It is an amenable number.

149723592517 is a deficient number, since it is larger than the sum of its proper divisors (5296163003).

149723592517 is a wasteful number, since it uses less digits than its factorization.

149723592517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7704.

The product of its digits is 4762800, while the sum is 55.

The spelling of 149723592517 in words is "one hundred forty-nine billion, seven hundred twenty-three million, five hundred ninety-two thousand, five hundred seventeen".