149942 has 16 divisors (see below), whose sum is σ = 248640. Its totient is φ = 67392.

The previous prime is 149939. The next prime is 149953. The reversal of 149942 is 249941.

149942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 8.

It is a nialpdrome in base 13.

It is a zygodrome in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1859 + ... + 1937.

It is an arithmetic number, because the mean of its divisors is an integer number (15540).

2¹⁴⁹⁹⁴² is an apocalyptic number.

149942 is a deficient number, since it is larger than the sum of its proper divisors (98698).

149942 is a wasteful number, since it uses less digits than its factorization.

149942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167.

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

The square root of 149942 is about 387.2234497031. The cubic root of 149942 is about 53.1260793322.

Subtracting 149942 from its reverse (249941), we obtain a palindrome (99999).

The spelling of 149942 in words is "one hundred forty-nine thousand, nine hundred forty-two".