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146749 is a prime number
BaseRepresentation
bin100011110100111101
321110022011
4203310331
514143444
63051221
71150561
oct436475
9243264
10146749
11a0289
1270b11
1351a45
143b6a1
152d734
hex23d3d

146749 has 2 divisors, whose sum is σ = 146750. Its totient is φ = 146748.

The previous prime is 146743. The next prime is 146767. The reversal of 146749 is 947641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99225 + 47524 = 315^2 + 218^2 .

It is an emirp because it is prime and its reverse (947641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146749 - 211 = 144701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73374 + 73375.

It is an arithmetic number, because the mean of its divisors is an integer number (73375).

2146749 is an apocalyptic number.

It is an amenable number.

146749 is a deficient number, since it is larger than the sum of its proper divisors (1).

146749 is an equidigital number, since it uses as much as digits as its factorization.

146749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 146749 is about 383.0783209737. The cubic root of 146749 is about 52.7462655428.

The spelling of 146749 in words is "one hundred forty-six thousand, seven hundred forty-nine".