149435505725 has 12 divisors (see below), whose sum is σ = 202145484480. Its totient is φ = 108680367600.

The previous prime is 149435505721. The next prime is 149435505727. The reversal of 149435505725 is 527505534941.

149435505725 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 149435505725 - 2² = 149435505721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149435505721) 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 11 ways as a sum of consecutive naturals, for example, 271700645 + ... + 271701194.

It is an arithmetic number, because the mean of its divisors is an integer number (16845457040).

Almost surely, 2^149435505725 is an apocalyptic number.

It is an amenable number.

149435505725 is a deficient number, since it is larger than the sum of its proper divisors (52709978755).

149435505725 is a wasteful number, since it uses less digits than its factorization.

149435505725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543401860 (or 543401855 counting only the distinct ones).

The product of its (nonzero) digits is 3780000, while the sum is 50.

The spelling of 149435505725 in words is "one hundred forty-nine billion, four hundred thirty-five million, five hundred five thousand, seven hundred twenty-five".