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145437 = 348479

145437 has 4 divisors (see below), whose sum is σ = 193920. Its totient is φ = 96956.

The previous prime is 145433. The next prime is 145441. The reversal of 145437 is 734541.

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.

It is an interprime number because it is at equal distance from previous prime (145433) and next prime (145441).

It is a cyclic number.

It is not a de Polignac number, because 145437 - 22 = 145433 is a prime.

It is a D-number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 145437.

It is not an unprimeable number, because it can be changed into a prime (145433) 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, 24237 + ... + 24242.

It is an arithmetic number, because the mean of its divisors is an integer number (48480).

2145437 is an apocalyptic number.

It is an amenable number.

145437 is a deficient number, since it is larger than the sum of its proper divisors (48483).

145437 is an equidigital number, since it uses as much as digits as its factorization.

145437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48482.

The product of its digits is 1680, while the sum is 24.

The square root of 145437 is about 381.3620327196. The cubic root of 145437 is about 52.5886032164.

Adding to 145437 its reverse (734541), we get a palindrome (879978).

The spelling of 145437 in words is "one hundred forty-five thousand, four hundred thirty-seven".

Divisors: 1 3 48479 145437