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145941 = 348647
BaseRepresentation
bin100011101000010101
321102012020
4203220111
514132231
63043353
71145325
oct435025
9242166
10145941
119a714
1270559
1351573
143b285
152d396
hex23a15

145941 has 4 divisors (see below), whose sum is σ = 194592. Its totient is φ = 97292.

The previous prime is 145933. The next prime is 145949. The reversal of 145941 is 149541.

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 (145933) and next prime (145949).

It is a cyclic number.

It is not a de Polignac number, because 145941 - 23 = 145933 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145949) 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, 24321 + ... + 24326.

It is an arithmetic number, because the mean of its divisors is an integer number (48648).

2145941 is an apocalyptic number.

It is an amenable number.

145941 is a deficient number, since it is larger than the sum of its proper divisors (48651).

145941 is an equidigital number, since it uses as much as digits as its factorization.

145941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48650.

The product of its digits is 720, while the sum is 24.

The square root of 145941 is about 382.0222506609. The cubic root of 145941 is about 52.6492803441.

Subtracting 145941 from its reverse (149541), we obtain a square (3600 = 602).

The spelling of 145941 in words is "one hundred forty-five thousand, nine hundred forty-one".

Divisors: 1 3 48647 145941