149856741 has 6 divisors (see below), whose sum is σ = 216459750. Its totient is φ = 99904488.

The previous prime is 149856739. The next prime is 149856757. The reversal of 149856741 is 147658941.

149856741 is a `hidden beast` number, since 1 + 49 + 8 + 567 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 149084100 + 772641 = 12210^2 + 879^2 .

It is not a de Polignac number, because 149856741 - 2¹ = 149856739 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149856731) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8325366 + ... + 8325383.

It is an arithmetic number, because the mean of its divisors is an integer number (36076625).

Almost surely, 2^149856741 is an apocalyptic number.

It is an amenable number.

149856741 is a deficient number, since it is larger than the sum of its proper divisors (66603009).

149856741 is a wasteful number, since it uses less digits than its factorization.

149856741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16650755 (or 16650752 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 149856741 is about 12241.5987926414. The cubic root of 149856741 is about 531.1600802643.

The spelling of 149856741 in words is "one hundred forty-nine million, eight hundred fifty-six thousand, seven hundred forty-one".