149601241 has 4 divisors (see below), whose sum is σ = 158401332. Its totient is φ = 140801152.

The previous prime is 149601239. The next prime is 149601259. The reversal of 149601241 is 142106941.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57441241 + 92160000 = 7579^2 + 9600^2 .

It is a cyclic number.

It is not a de Polignac number, because 149601241 - 2¹ = 149601239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149601211) 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 3 ways as a sum of consecutive naturals, for example, 4400020 + ... + 4400053.

It is an arithmetic number, because the mean of its divisors is an integer number (39600333).

Almost surely, 2^149601241 is an apocalyptic number.

It is an amenable number.

149601241 is a deficient number, since it is larger than the sum of its proper divisors (8800091).

149601241 is an equidigital number, since it uses as much as digits as its factorization.

149601241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8800090.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 149601241 is about 12231.1586123310. The cubic root of 149601241 is about 530.8580393499.

The spelling of 149601241 in words is "one hundred forty-nine million, six hundred one thousand, two hundred forty-one".