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145552545415 = 51922913075119
BaseRepresentation
bin1000011110001110011…
…0111001011010000111
3111220200210210102010101
42013203212321122013
54341042422423130
6150511012104531
713341633136234
oct2074346713207
9456623712111
10145552545415
1156801687752
1224261305147
1310958042824
14708ac4278b
153bbd4201ca
hex21e39b9687

145552545415 has 32 divisors (see below), whose sum is σ = 184836096000. Its totient is φ = 109726316928.

The previous prime is 145552545409. The next prime is 145552545461. The reversal of 145552545415 is 514545255541.

It is not a de Polignac number, because 145552545415 - 23 = 145552545407 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28431226 + ... + 28436344.

It is an arithmetic number, because the mean of its divisors is an integer number (5776128000).

Almost surely, 2145552545415 is an apocalyptic number.

145552545415 is a deficient number, since it is larger than the sum of its proper divisors (39283550585).

145552545415 is a wasteful number, since it uses less digits than its factorization.

145552545415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6679.

The product of its digits is 2000000, while the sum is 46.

The spelling of 145552545415 in words is "one hundred forty-five billion, five hundred fifty-two million, five hundred forty-five thousand, four hundred fifteen".

Divisors: 1 5 19 95 229 1145 1307 4351 5119 6535 21755 24833 25595 97261 124165 299303 486305 1172251 1496515 5686757 5861255 6690533 22272769 28433785 33452665 111363845 127120127 635600635 1532132057 7660660285 29110509083 145552545415