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145142968 = 23163711083
BaseRepresentation
bin10001010011010…
…11010010111000
3101010010000201111
420221223102320
5244124033333
622222530104
73411460225
oct1051532270
9333100644
10145142968
1174a25073
1240736934
13240bb219
14153c294c
15cb204cd
hex8a6b4b8

145142968 has 16 divisors (see below), whose sum is σ = 272333880. Its totient is φ = 72520608.

The previous prime is 145142953. The next prime is 145142969. The reversal of 145142968 is 869241541.

It is a self number, because there is not a number n which added to its sum of digits gives 145142968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145142969) 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, 7555 + ... + 18637.

Almost surely, 2145142968 is an apocalyptic number.

It is an amenable number.

145142968 is a deficient number, since it is larger than the sum of its proper divisors (127190912).

145142968 is a wasteful number, since it uses less digits than its factorization.

145142968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12726 (or 12722 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 145142968 is about 12047.5295392873. The cubic root of 145142968 is about 525.5313960377.

The spelling of 145142968 in words is "one hundred forty-five million, one hundred forty-two thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 1637 3274 6548 11083 13096 22166 44332 88664 18142871 36285742 72571484 145142968