149245 has 8 divisors (see below), whose sum is σ = 188640. Its totient is φ = 113040.

The previous prime is 149239. The next prime is 149249. The reversal of 149245 is 542941.

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

It is not a de Polignac number, because 149245 - 2⁵ = 149213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691 + ... + 880.

It is an arithmetic number, because the mean of its divisors is an integer number (23580).

2¹⁴⁹²⁴⁵ is an apocalyptic number.

It is an amenable number.

149245 is a deficient number, since it is larger than the sum of its proper divisors (39395).

149245 is a wasteful number, since it uses less digits than its factorization.

149245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595.

The product of its digits is 1440, while the sum is 25.

The square root of 149245 is about 386.3224042170. The cubic root of 149245 is about 53.0436332269.

The spelling of 149245 in words is "one hundred forty-nine thousand, two hundred forty-five".