149271201 has 64 divisors (see below), whose sum is σ = 245145600. Its totient is φ = 89424000.

The previous prime is 149271193. The next prime is 149271289. The reversal of 149271201 is 102172941.

It is not a de Polignac number, because 149271201 - 2³ = 149271193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (149271301) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 988476 + ... + 988626.

It is an arithmetic number, because the mean of its divisors is an integer number (3830400).

Almost surely, 2^149271201 is an apocalyptic number.

It is an amenable number.

149271201 is a deficient number, since it is larger than the sum of its proper divisors (95874399).

149271201 is a wasteful number, since it uses less digits than its factorization.

149271201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 149271201 is about 12217.6593912255. The cubic root of 149271201 is about 530.4673710516.

The spelling of 149271201 in words is "one hundred forty-nine million, two hundred seventy-one thousand, two hundred one".