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148045 = 5291021
BaseRepresentation
bin100100001001001101
321112002011
4210021031
514214140
63101221
71154422
oct441115
9245064
10148045
11a1257
1271811
1352501
143bd49
152dcea
hex2424d

148045 has 8 divisors (see below), whose sum is σ = 183960. Its totient is φ = 114240.

The previous prime is 148021. The next prime is 148061. The reversal of 148045 is 540841.

It can be written as a sum of positive squares in 4 ways, for example, as 19881 + 128164 = 141^2 + 358^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 148045 - 25 = 148013 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 366 + ... + 655.

It is an arithmetic number, because the mean of its divisors is an integer number (22995).

2148045 is an apocalyptic number.

It is an amenable number.

148045 is a deficient number, since it is larger than the sum of its proper divisors (35915).

148045 is a wasteful number, since it uses less digits than its factorization.

148045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 148045 is about 384.7661627534. The cubic root of 148045 is about 52.9010852369.

Adding to 148045 its reverse (540841), we get a palindrome (688886).

The spelling of 148045 in words is "one hundred forty-eight thousand, forty-five".

Divisors: 1 5 29 145 1021 5105 29609 148045