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145417 is a prime number
BaseRepresentation
bin100011100000001001
321101110211
4203200021
514123132
63041121
71143646
oct434011
9241424
10145417
119a288
12701a1
135125c
143adcd
152d147
hex23809

145417 has 2 divisors, whose sum is σ = 145418. Its totient is φ = 145416.

The previous prime is 145399. The next prime is 145423. The reversal of 145417 is 714541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145161 + 256 = 381^2 + 16^2 .

It is a cyclic number.

It is not a de Polignac number, because 145417 - 27 = 145289 is a prime.

It is a super-2 number, since 2×1454172 = 42292207778, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (145477) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72708 + 72709.

It is an arithmetic number, because the mean of its divisors is an integer number (72709).

2145417 is an apocalyptic number.

It is an amenable number.

145417 is a deficient number, since it is larger than the sum of its proper divisors (1).

145417 is an equidigital number, since it uses as much as digits as its factorization.

145417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 560, while the sum is 22.

The square root of 145417 is about 381.3358100153. The cubic root of 145417 is about 52.5861925042.

Adding to 145417 its reverse (714541), we get a palindrome (859958).

The spelling of 145417 in words is "one hundred forty-five thousand, four hundred seventeen".