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145395769743 = 357212210949
BaseRepresentation
bin1000011101101001000…
…0110110000110001111
3111220021212210101100000
42013122100312012033
54340232304112433
6150443251535343
713335020436300
oct2073220660617
9456255711300
10145395769743
1156731137884
12242188ba553
1310931710863
1470740b27a7
153bae7a3113
hex21da43618f

145395769743 has 36 divisors (see below), whose sum is σ = 253352790600. Its totient is φ = 83083290192.

The previous prime is 145395769741. The next prime is 145395769747. The reversal of 145395769743 is 347967593541.

It is a happy number.

145395769743 is a `hidden beast` number, since 1 + 4 + 53 + 9 + 576 + 9 + 7 + 4 + 3 = 666.

It is not a de Polignac number, because 145395769743 - 21 = 145395769741 is a prime.

It is a super-2 number, since 2×1453957697432 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145395769741) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6093568 + ... + 6117381.

Almost surely, 2145395769743 is an apocalyptic number.

145395769743 is a deficient number, since it is larger than the sum of its proper divisors (107957020857).

145395769743 is an equidigital number, since it uses as much as digits as its factorization.

145395769743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12210978 (or 12210959 counting only the distinct ones).

The product of its digits is 85730400, while the sum is 63.

The spelling of 145395769743 in words is "one hundred forty-five billion, three hundred ninety-five million, seven hundred sixty-nine thousand, seven hundred forty-three".

Divisors: 1 3 7 9 21 27 49 63 81 147 189 243 441 567 1323 1701 3969 11907 12210949 36632847 85476643 109898541 256429929 329695623 598336501 769289787 989086869 1795009503 2307869361 2967260607 5385028509 6923608083 16155085527 20770824249 48465256581 145395769743