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145262236 = 2275187937
BaseRepresentation
bin10001010100010…
…00011010011100
3101010100002022211
420222020122130
5244141342421
622225250204
73412465030
oct1052103234
9333302284
10145262236
1174aa6739
1240793964
13241305b2
14154141c0
15cb459e1
hex8a8869c

145262236 has 12 divisors (see below), whose sum is σ = 290524528. Its totient is φ = 62255232.

The previous prime is 145262207. The next prime is 145262251. The reversal of 145262236 is 632262541.

145262236 is an admirable number.

It is a super-2 number, since 2×1452622362 = 42202234415439392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145262198 and 145262207.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 2593941 + ... + 2593996.

Almost surely, 2145262236 is an apocalyptic number.

It is an amenable number.

145262236 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145262236 is a wasteful number, since it uses less digits than its factorization.

145262236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5187948 (or 5187946 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 145262236 is about 12052.4784173215. The cubic root of 145262236 is about 525.6753045321.

The spelling of 145262236 in words is "one hundred forty-five million, two hundred sixty-two thousand, two hundred thirty-six".

Divisors: 1 2 4 7 14 28 5187937 10375874 20751748 36315559 72631118 145262236