149764 has 6 divisors (see below), whose sum is σ = 262094. Its totient is φ = 74880.

The previous prime is 149759. The next prime is 149767. The reversal of 149764 is 467941.

It can be written as a sum of positive squares in only one way, i.e., 129600 + 20164 = 360^2 + 142^2 .

It is not an unprimeable number, because it can be changed into a prime (149767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18717 + ... + 18724.

2¹⁴⁹⁷⁶⁴ is an apocalyptic number.

It is an amenable number.

149764 is a deficient number, since it is larger than the sum of its proper divisors (112330).

149764 is a wasteful number, since it uses less digits than its factorization.

149764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37445 (or 37443 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 149764 is about 386.9935399978. The cubic root of 149764 is about 53.1050485634.

The spelling of 149764 in words is "one hundred forty-nine thousand, seven hundred sixty-four".