145937 has 4 divisors (see below), whose sum is σ = 159216. Its totient is φ = 132660.

The previous prime is 145933. The next prime is 145949. The reversal of 145937 is 739541.

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: 739541 = 11 ⋅67231.

It is not a de Polignac number, because 145937 - 2² = 145933 is a prime.

It is a d-powerful number, because it can be written as 1 + 4⁸ + 9² + 5⁷ + 3⁷ + 7 .

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 145937.

It is not an unprimeable number, because it can be changed into a prime (145931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6623 + ... + 6644.

It is an arithmetic number, because the mean of its divisors is an integer number (39804).

2¹⁴⁵⁹³⁷ is an apocalyptic number.

It is an amenable number.

145937 is a deficient number, since it is larger than the sum of its proper divisors (13279).

145937 is a wasteful number, since it uses less digits than its factorization.

145937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13278.

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

The square root of 145937 is about 382.0170153279. The cubic root of 145937 is about 52.6487993300.

The spelling of 145937 in words is "one hundred forty-five thousand, nine hundred thirty-seven".