149902 has 8 divisors (see below), whose sum is σ = 226512. Its totient is φ = 74400.

The previous prime is 149899. The next prime is 149909. The reversal of 149902 is 209941.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149909) 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, 327 + ... + 637.

It is an arithmetic number, because the mean of its divisors is an integer number (28314).

2¹⁴⁹⁹⁰² is an apocalyptic number.

149902 is a deficient number, since it is larger than the sum of its proper divisors (76610).

149902 is a wasteful number, since it uses less digits than its factorization.

149902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554.

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

The square root of 149902 is about 387.1717964935. The cubic root of 149902 is about 53.1213547672.

The spelling of 149902 in words is "one hundred forty-nine thousand, nine hundred two".