149737 has 4 divisors (see below), whose sum is σ = 171136. Its totient is φ = 128340.

The previous prime is 149731. The next prime is 149749. The reversal of 149737 is 737941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 737941 = 19 ⋅38839.

It is a cyclic number.

It is not a de Polignac number, because 149737 - 2³ = 149729 is a prime.

149737 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 149699 and 149708.

It is not an unprimeable number, because it can be changed into a prime (149731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10689 + ... + 10702.

It is an arithmetic number, because the mean of its divisors is an integer number (42784).

2¹⁴⁹⁷³⁷ is an apocalyptic number.

It is an amenable number.

149737 is a deficient number, since it is larger than the sum of its proper divisors (21399).

149737 is an equidigital number, since it uses as much as digits as its factorization.

149737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21398.

The product of its digits is 5292, while the sum is 31.

The square root of 149737 is about 386.9586541221. The cubic root of 149737 is about 53.1018570477.

The spelling of 149737 in words is "one hundred forty-nine thousand, seven hundred thirty-seven".