149026 has 8 divisors (see below), whose sum is σ = 225180. Its totient is φ = 73968.

The previous prime is 149021. The next prime is 149027. The reversal of 149026 is 620941.

It can be written as a sum of positive squares in 2 ways, for example, as 121801 + 27225 = 349^2 + 165^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 148988 and 149006.

It is not an unprimeable number, because it can be changed into a prime (149021) by changing a digit.

149026 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400 + ... + 676.

2¹⁴⁹⁰²⁶ is an apocalyptic number.

149026 is a deficient number, since it is larger than the sum of its proper divisors (76154).

149026 is a wasteful number, since it uses less digits than its factorization.

149026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 149026 is about 386.0388581477. The cubic root of 149026 is about 53.0176753673.

Adding to 149026 its reverse (620941), we get a palindrome (769967).

The spelling of 149026 in words is "one hundred forty-nine thousand, twenty-six".