149101145 has 8 divisors (see below), whose sum is σ = 179725056. Its totient is φ = 118745136.

The previous prime is 149101039. The next prime is 149101159. The reversal of 149101145 is 541101941.

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 149101145 - 2¹⁶ = 149035609 is a prime.

It is a super-2 number, since 2×149101145² = 44462302880622050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65747 + ... + 67976.

It is an arithmetic number, because the mean of its divisors is an integer number (22465632).

Almost surely, 2^149101145 is an apocalyptic number.

It is an amenable number.

149101145 is a deficient number, since it is larger than the sum of its proper divisors (30623911).

149101145 is a wasteful number, since it uses less digits than its factorization.

149101145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133951.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 149101145 is about 12210.6979734985. The cubic root of 149101145 is about 530.2658509614.

The spelling of 149101145 in words is "one hundred forty-nine million, one hundred one thousand, one hundred forty-five".