149755444 has 6 divisors (see below), whose sum is σ = 262072034. Its totient is φ = 74877720.

The previous prime is 149755433. The next prime is 149755447. The reversal of 149755444 is 444557941.

It can be written as a sum of positive squares in only one way, i.e., 141848100 + 7907344 = 11910^2 + 2812^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 149755444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149755447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18719427 + ... + 18719434.

Almost surely, 2^149755444 is an apocalyptic number.

It is an amenable number.

149755444 is a deficient number, since it is larger than the sum of its proper divisors (112316590).

149755444 is a wasteful number, since it uses less digits than its factorization.

149755444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37438865 (or 37438863 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The square root of 149755444 is about 12237.4606843087. The cubic root of 149755444 is about 531.0403724906.

The spelling of 149755444 in words is "one hundred forty-nine million, seven hundred fifty-five thousand, four hundred forty-four".