149045841 has 36 divisors (see below), whose sum is σ = 249570048. Its totient is φ = 83963952.

The previous prime is 149045821. The next prime is 149045843. The reversal of 149045841 is 148540941.

It is not a de Polignac number, because 149045841 - 2⁶ = 149045777 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 149045796 and 149045805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149045843) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 668256 + ... + 668478.

Almost surely, 2^149045841 is an apocalyptic number.

It is an amenable number.

149045841 is a deficient number, since it is larger than the sum of its proper divisors (100524207).

149045841 is a wasteful number, since it uses less digits than its factorization.

149045841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 149045841 is about 12208.4331918555. The cubic root of 149045841 is about 530.2002814914.

The spelling of 149045841 in words is "one hundred forty-nine million, forty-five thousand, eight hundred forty-one".