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145366161 = 3311563077
BaseRepresentation
bin10001010101000…
…01110010010001
3101010112100212220
420222201302101
5244203204121
622231411253
73413410023
oct1052416221
9333470786
10145366161
1175067826
1240823b29
13241689a5
1415440013
15cb666c6
hex8aa1c91

145366161 has 8 divisors (see below), whose sum is σ = 200073984. Its totient is φ = 93784560.

The previous prime is 145366157. The next prime is 145366163. The reversal of 145366161 is 161663541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145366161 - 22 = 145366157 is a prime.

It is a super-2 number, since 2×1453661612 = 42262641527755842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145366163) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 781446 + ... + 781631.

It is an arithmetic number, because the mean of its divisors is an integer number (25009248).

Almost surely, 2145366161 is an apocalyptic number.

It is an amenable number.

145366161 is a deficient number, since it is larger than the sum of its proper divisors (54707823).

145366161 is a wasteful number, since it uses less digits than its factorization.

145366161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563111.

The product of its digits is 12960, while the sum is 33.

The square root of 145366161 is about 12056.7890003931. The cubic root of 145366161 is about 525.8006359891.

The spelling of 145366161 in words is "one hundred forty-five million, three hundred sixty-six thousand, one hundred sixty-one".

Divisors: 1 3 31 93 1563077 4689231 48455387 145366161