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145176287061161 = 1731643428424301
BaseRepresentation
bin100001000000100101111101…
…000001010010010010101001
3201001000201101001120020200202
4201000211331001102102221
5123012032013441424121
61232433022055041545
742402432505244606
oct4100457501222251
9631021331506622
10145176287061161
1142291a10342a94
12143481789702b5
1363010b0115175
1427bc7d96c16ad
1511bb57d49640b
hex84097d0524a9

145176287061161 has 16 divisors (see below), whose sum is σ = 158921424281088. Its totient is φ = 132023232288000.

The previous prime is 145176287061139. The next prime is 145176287061163. The reversal of 145176287061161 is 161160782671541.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-145176287061161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145176287061097 and 145176287061106.

It is not an unprimeable number, because it can be changed into a prime (145176287061163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213873290 + ... + 214551011.

It is an arithmetic number, because the mean of its divisors is an integer number (9932589017568).

Almost surely, 2145176287061161 is an apocalyptic number.

It is an amenable number.

145176287061161 is a deficient number, since it is larger than the sum of its proper divisors (13745137219927).

145176287061161 is a wasteful number, since it uses less digits than its factorization.

145176287061161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428424992.

The product of its (nonzero) digits is 3386880, while the sum is 56.

The spelling of 145176287061161 in words is "one hundred forty-five trillion, one hundred seventy-six billion, two hundred eighty-seven million, sixty-one thousand, one hundred sixty-one".

Divisors: 1 17 31 527 643 10931 19933 338861 428424301 7283213117 13281153331 225779606627 275476825543 4683106034231 8539781591833 145176287061161