149492 has 24 divisors (see below), whose sum is σ = 315840. Its totient is φ = 60480.

The previous prime is 149491. The next prime is 149497. The reversal of 149492 is 294941.

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 (149491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392 + ... + 672.

It is an arithmetic number, because the mean of its divisors is an integer number (13160).

2¹⁴⁹⁴⁹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157920).

149492 is an abundant number, since it is smaller than the sum of its proper divisors (166348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149492 is a wasteful number, since it uses less digits than its factorization.

149492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 309 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 149492 is about 386.6419532332. The cubic root of 149492 is about 53.0728794468.

The spelling of 149492 in words is "one hundred forty-nine thousand, four hundred ninety-two".