149265871 has 8 divisors (see below), whose sum is σ = 158180400. Its totient is φ = 140602560.

The previous prime is 149265869. The next prime is 149265877. The reversal of 149265871 is 178562941.

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 149265871 - 2¹ = 149265869 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 (149265877) 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 7 ways as a sum of consecutive naturals, for example, 61581 + ... + 63958.

It is an arithmetic number, because the mean of its divisors is an integer number (19772550).

Almost surely, 2^149265871 is an apocalyptic number.

149265871 is a deficient number, since it is larger than the sum of its proper divisors (8914529).

149265871 is a wasteful number, since it uses less digits than its factorization.

149265871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125609.

The product of its digits is 120960, while the sum is 43.

The square root of 149265871 is about 12217.4412623921. The cubic root of 149265871 is about 530.4610572087.

The spelling of 149265871 in words is "one hundred forty-nine million, two hundred sixty-five thousand, eight hundred seventy-one".