149347241 has 4 divisors (see below), whose sum is σ = 150669012. Its totient is φ = 148025472.

The previous prime is 149347229. The next prime is 149347271. The reversal of 149347241 is 142743941.

149347241 = T₁₅₆₉ + T₁₅₇₀ + ... + T₁₆₈₁.

It is a happy number.

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 64320400 + 85026841 = 8020^2 + 9221^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149347241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (149347271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660716 + ... + 660941.

It is an arithmetic number, because the mean of its divisors is an integer number (37667253).

Almost surely, 2^149347241 is an apocalyptic number.

It is an amenable number.

149347241 is a deficient number, since it is larger than the sum of its proper divisors (1321771).

149347241 is a wasteful number, since it uses less digits than its factorization.

149347241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321770.

The product of its digits is 24192, while the sum is 35.

The square root of 149347241 is about 12220.7708840318. The cubic root of 149347241 is about 530.5574306015.

The spelling of 149347241 in words is "one hundred forty-nine million, three hundred forty-seven thousand, two hundred forty-one".