149930 has 32 divisors (see below), whose sum is σ = 311040. Its totient is φ = 51520.

The previous prime is 149921. The next prime is 149939. The reversal of 149930 is 39941.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (149921) and next prime (149939).

It is a Curzon number.

It is a plaindrome in base 16.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 149930.

It is not an unprimeable number, because it can be changed into a prime (149939) by changing a digit.

149930 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3167 + ... + 3213.

It is an arithmetic number, because the mean of its divisors is an integer number (9720).

2¹⁴⁹⁹³⁰ is an apocalyptic number.

149930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149930 is an abundant number, since it is smaller than the sum of its proper divisors (161110).

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

149930 is a wasteful number, since it uses less digits than its factorization.

149930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 149930 is about 387.2079544637. The cubic root of 149930 is about 53.1246620509.

The spelling of 149930 in words is "one hundred forty-nine thousand, nine hundred thirty".