Search a number
-
+
145212524 = 22231578397
BaseRepresentation
bin10001010011111…
…00010001101100
3101010020120010122
420221330101230
5244133300044
622224224112
73412200062
oct1051742154
9333216118
10145212524
1174a72356
124076b038
1324113a92
1415400032
15cb35dee
hex8a7c46c

145212524 has 12 divisors (see below), whose sum is σ = 265170864. Its totient is φ = 69449424.

The previous prime is 145212523. The next prime is 145212553. The reversal of 145212524 is 425212541.

It is a junction number, because it is equal to n+sod(n) for n = 145212493 and 145212502.

It is not an unprimeable number, because it can be changed into a prime (145212523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789107 + ... + 789290.

It is an arithmetic number, because the mean of its divisors is an integer number (22097572).

Almost surely, 2145212524 is an apocalyptic number.

It is an amenable number.

145212524 is a deficient number, since it is larger than the sum of its proper divisors (119958340).

145212524 is a wasteful number, since it uses less digits than its factorization.

145212524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578424 (or 1578422 counting only the distinct ones).

The product of its digits is 3200, while the sum is 26.

The square root of 145212524 is about 12050.4159264318. The cubic root of 145212524 is about 525.6153317247.

The spelling of 145212524 in words is "one hundred forty-five million, two hundred twelve thousand, five hundred twenty-four".

Divisors: 1 2 4 23 46 92 1578397 3156794 6313588 36303131 72606262 145212524