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145483252 = 2241887093
BaseRepresentation
bin10001010101111…
…10010111110100
3101010202022111121
420222332113310
5244220431002
622234113324
73414405265
oct1052762764
9333668447
10145483252
11751377a2
124087b844
13241aa085
141547096c
15cb8b237
hex8abe5f4

145483252 has 12 divisors (see below), whose sum is σ = 260805636. Its totient is φ = 70967360.

The previous prime is 145483249. The next prime is 145483253. The reversal of 145483252 is 252384541.

It can be written as a sum of positive squares in 2 ways, for example, as 20848356 + 124634896 = 4566^2 + 11164^2 .

It is a super-2 number, since 2×1454832522 = 42330753224991008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145483253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443383 + ... + 443710.

It is an arithmetic number, because the mean of its divisors is an integer number (21733803).

Almost surely, 2145483252 is an apocalyptic number.

It is an amenable number.

145483252 is a deficient number, since it is larger than the sum of its proper divisors (115322384).

145483252 is a wasteful number, since it uses less digits than its factorization.

145483252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887138 (or 887136 counting only the distinct ones).

The product of its digits is 38400, while the sum is 34.

The square root of 145483252 is about 12061.6438349008. The cubic root of 145483252 is about 525.9417738321.

The spelling of 145483252 in words is "one hundred forty-five million, four hundred eighty-three thousand, two hundred fifty-two".

Divisors: 1 2 4 41 82 164 887093 1774186 3548372 36370813 72741626 145483252