149418 has 16 divisors (see below), whose sum is σ = 332160. Its totient is φ = 49788.

The previous prime is 149417. The next prime is 149419. The reversal of 149418 is 814941.

149418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (149417) and next prime (149419).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 149391 and 149400.

It is not an unprimeable number, because it can be changed into a prime (149411) 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, 1330 + ... + 1437.

It is an arithmetic number, because the mean of its divisors is an integer number (20760).

2¹⁴⁹⁴¹⁸ is an apocalyptic number.

149418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

149418 is an abundant number, since it is smaller than the sum of its proper divisors (182742).

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

149418 is a wasteful number, since it uses less digits than its factorization.

149418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778 (or 2772 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 149418 is about 386.5462456162. The cubic root of 149418 is about 53.0641208035.

The spelling of 149418 in words is "one hundred forty-nine thousand, four hundred eighteen".