145837 has 4 divisors (see below), whose sum is σ = 149436. Its totient is φ = 142240.

The previous prime is 145829. The next prime is 145861. The reversal of 145837 is 738541.

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 11881 + 133956 = 109^2 + 366^2 .

It is a cyclic number.

It is not a de Polignac number, because 145837 - 2³ = 145829 is a prime.

It is a Duffinian number.

145837 is a lucky 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 (145807) 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, 1738 + ... + 1819.

It is an arithmetic number, because the mean of its divisors is an integer number (37359).

2¹⁴⁵⁸³⁷ is an apocalyptic number.

It is an amenable number.

145837 is a deficient number, since it is larger than the sum of its proper divisors (3599).

145837 is an equidigital number, since it uses as much as digits as its factorization.

145837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3598.

The product of its digits is 3360, while the sum is 28.

The square root of 145837 is about 381.8861086764. The cubic root of 145837 is about 52.6367711193.

Subtracting 145837 from its reverse (738541), we obtain a cube (592704 = 84³).

It can be divided in two parts, 14 and 5837, that multiplied together give a palindrome (81718).

The spelling of 145837 in words is "one hundred forty-five thousand, eight hundred thirty-seven".