149336541 has 20 divisors (see below), whose sum is σ = 224393532. Its totient is φ = 98972928.

The previous prime is 149336527. The next prime is 149336543. The reversal of 149336541 is 145633941.

It can be written as a sum of positive squares in 2 ways, for example, as 69305625 + 80030916 = 8325^2 + 8946^2 .

It is not a de Polignac number, because 149336541 - 2⁷ = 149336413 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 149336496 and 149336505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149336543) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8685 + ... + 19341.

Almost surely, 2^149336541 is an apocalyptic number.

It is an amenable number.

149336541 is a deficient number, since it is larger than the sum of its proper divisors (75056991).

149336541 is a wasteful number, since it uses less digits than its factorization.

149336541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10842 (or 10833 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 149336541 is about 12220.3330969332. Note that the first 3 decimals coincide. The cubic root of 149336541 is about 530.5447596831.

The spelling of 149336541 in words is "one hundred forty-nine million, three hundred thirty-six thousand, five hundred forty-one".