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145464464541 = 31159340721929
BaseRepresentation
bin1000011101111001011…
…0111001010010011101
3111220110200001102212210
42013132112321102131
54340402400331131
6150454144151033
713336513355544
oct2073626712235
9456420042783
10145464464541
1156766997240
1224237908479
1310942a13276
14707d27515b
153bb5822146
hex21de5b949d

145464464541 has 32 divisors (see below), whose sum is σ = 215243827200. Its totient is φ = 86636650880.

The previous prime is 145464464527. The next prime is 145464464543.

145464464541 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 145464464541 - 225 = 145430910109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145464464543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6622465 + ... + 6644393.

It is an arithmetic number, because the mean of its divisors is an integer number (6726369600).

Almost surely, 2145464464541 is an apocalyptic number.

145464464541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

145464464541 is a deficient number, since it is larger than the sum of its proper divisors (69779362659).

145464464541 is a wasteful number, since it uses less digits than its factorization.

145464464541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25409.

The product of its digits is 3686400, while the sum is 48.

The spelling of 145464464541 in words is "one hundred forty-five billion, four hundred sixty-four million, four hundred sixty-four thousand, five hundred forty-one".

Divisors: 1 3 11 33 59 177 649 1947 3407 10221 21929 37477 65787 112431 201013 241219 603039 723657 1293811 2211143 3881433 6633429 14231921 42695763 74712103 224136309 821833133 2465499399 4408014077 13224042231 48488154847 145464464541