149290 has 8 divisors (see below), whose sum is σ = 268740. Its totient is φ = 59712.

The previous prime is 149287. The next prime is 149297. The reversal of 149290 is 92941.

It can be written as a sum of positive squares in 2 ways, for example, as 146689 + 2601 = 383^2 + 51^2 .

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7455 + ... + 7474.

2¹⁴⁹²⁹⁰ is an apocalyptic number.

149290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149290 is a deficient number, since it is larger than the sum of its proper divisors (119450).

149290 is a wasteful number, since it uses less digits than its factorization.

149290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14936.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 149290 is about 386.3806413370. The cubic root of 149290 is about 53.0489638882.

The spelling of 149290 in words is "one hundred forty-nine thousand, two hundred ninety".