149437 has 4 divisors (see below), whose sum is σ = 154620. Its totient is φ = 144256.

The previous prime is 149423. The next prime is 149441. The reversal of 149437 is 734941.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 86436 + 63001 = 294^2 + 251^2 .

It is a cyclic number.

It is not a de Polignac number, because 149437 - 2⁷ = 149309 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2548 + ... + 2605.

It is an arithmetic number, because the mean of its divisors is an integer number (38655).

2¹⁴⁹⁴³⁷ is an apocalyptic number.

It is an amenable number.

149437 is a deficient number, since it is larger than the sum of its proper divisors (5183).

149437 is an equidigital number, since it uses as much as digits as its factorization.

149437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5182.

The product of its digits is 3024, while the sum is 28.

The square root of 149437 is about 386.5708214545. The cubic root of 149437 is about 53.0663699203.

It can be divided in two parts, 1494 and 37, that multiplied together give a triangular number (55278 = T₃₃₂).

The spelling of 149437 in words is "one hundred forty-nine thousand, four hundred thirty-seven".