149537 has 4 divisors (see below), whose sum is σ = 150420. Its totient is φ = 148656.

The previous prime is 149533. The next prime is 149543. The reversal of 149537 is 735941.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 735941 = 89 ⋅8269.

It can be written as a sum of positive squares in 2 ways, for example, as 92416 + 57121 = 304^2 + 239^2 .

It is a cyclic number.

It is not a de Polignac number, because 149537 - 2² = 149533 is a prime.

It is a super-2 number, since 2×149537² = 44722628738, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 149537.

It is not an unprimeable number, because it can be changed into a prime (149531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98 + ... + 555.

It is an arithmetic number, because the mean of its divisors is an integer number (37605).

2¹⁴⁹⁵³⁷ is an apocalyptic number.

It is an amenable number.

149537 is a deficient number, since it is larger than the sum of its proper divisors (883).

149537 is an equidigital number, since it uses as much as digits as its factorization.

149537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882.

The product of its digits is 3780, while the sum is 29.

The square root of 149537 is about 386.7001422291. The cubic root of 149537 is about 53.0782042356.

It can be divided in two parts, 149 and 537, that added together give a palindrome (686).

The spelling of 149537 in words is "one hundred forty-nine thousand, five hundred thirty-seven".