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145158895968 = 2531512071833
BaseRepresentation
bin1000011100110000100…
…1001111100101100000
3111212200101001221121020
42013030021033211200
54334241134132333
6150403550525440
713326113154222
oct2071411174540
9455611057536
10145158895968
115661a45a029
1224171506880
13108c4615968
147050852412
153b98ab33b3
hex21cc24f960

145158895968 has 24 divisors (see below), whose sum is σ = 381042102168. Its totient is φ = 48386298624.

The previous prime is 145158895943. The next prime is 145158895969. The reversal of 145158895968 is 869598851541.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1451588959682 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145158895969) 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, 756035821 + ... + 756036012.

It is an arithmetic number, because the mean of its divisors is an integer number (15876754257).

Almost surely, 2145158895968 is an apocalyptic number.

It is an amenable number.

145158895968 is an abundant number, since it is smaller than the sum of its proper divisors (235883206200).

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

145158895968 is a wasteful number, since it uses less digits than its factorization.

145158895968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512071846 (or 1512071838 counting only the distinct ones).

The product of its digits is 124416000, while the sum is 69.

The spelling of 145158895968 in words is "one hundred forty-five billion, one hundred fifty-eight million, eight hundred ninety-five thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1512071833 3024143666 4536215499 6048287332 9072430998 12096574664 18144861996 24193149328 36289723992 48386298656 72579447984 145158895968