149273029161 has 24 divisors (see below), whose sum is σ = 227025601920. Its totient is φ = 94252463136.

The previous prime is 149273029111. The next prime is 149273029177. The reversal of 149273029161 is 161920372941.

149273029161 is a `hidden beast` number, since 1 + 492 + 73 + 0 + 2 + 91 + 6 + 1 = 666.

It is not a de Polignac number, because 149273029161 - 2⁶ = 149273029097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149273029111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 534336 + ... + 764238.

It is an arithmetic number, because the mean of its divisors is an integer number (9459400080).

Almost surely, 2^149273029161 is an apocalyptic number.

It is an amenable number.

149273029161 is a deficient number, since it is larger than the sum of its proper divisors (77752572759).

149273029161 is a wasteful number, since it uses less digits than its factorization.

149273029161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233725 (or 233722 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 149273029161 in words is "one hundred forty-nine billion, two hundred seventy-three million, twenty-nine thousand, one hundred sixty-one".