Search a number
-
+
45148285 = 5713671481
BaseRepresentation
bin1010110000111…
…0100001111101
310010221202210201
42230032201331
543024221120
64251403501
71055516440
oct254164175
9103852721
1045148285
1123537636
1213153591
139479c80
145dd3657
153e6c40a
hex2b0e87d

45148285 has 32 divisors (see below), whose sum is σ = 67721472. Its totient is φ = 28131840.

The previous prime is 45148267. The next prime is 45148289. The reversal of 45148285 is 58284154.

It is not a de Polignac number, because 45148285 - 213 = 45140093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45148289) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29745 + ... + 31225.

It is an arithmetic number, because the mean of its divisors is an integer number (2116296).

Almost surely, 245148285 is an apocalyptic number.

It is an amenable number.

45148285 is a deficient number, since it is larger than the sum of its proper divisors (22573187).

45148285 is a wasteful number, since it uses less digits than its factorization.

45148285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573.

The product of its digits is 51200, while the sum is 37.

The square root of 45148285 is about 6719.2473536848. The cubic root of 45148285 is about 356.0795938894.

The spelling of 45148285 in words is "forty-five million, one hundred forty-eight thousand, two hundred eighty-five".

Divisors: 1 5 7 13 35 65 67 91 335 455 469 871 1481 2345 4355 6097 7405 10367 19253 30485 51835 96265 99227 134771 496135 673855 694589 1289951 3472945 6449755 9029657 45148285