149401 has 6 divisors (see below), whose sum is σ = 173850. Its totient is φ = 128016.

The previous prime is 149399. The next prime is 149411. The reversal of 149401 is 104941.

149401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 99225 + 50176 = 315^2 + 224^2 .

It is not a de Polignac number, because 149401 - 2¹ = 149399 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

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 5 ways as a sum of consecutive naturals, for example, 1476 + ... + 1573.

It is an arithmetic number, because the mean of its divisors is an integer number (28975).

2¹⁴⁹⁴⁰¹ is an apocalyptic number.

It is an amenable number.

149401 is a deficient number, since it is larger than the sum of its proper divisors (24449).

149401 is an equidigital number, since it uses as much as digits as its factorization.

149401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3063 (or 3056 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 149401 is about 386.5242553838. The cubic root of 149401 is about 53.0621082743.

It can be divided in two parts, 14940 and 1, that added together give a palindrome (14941).

The spelling of 149401 in words is "one hundred forty-nine thousand, four hundred one".