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145288476 = 22325376147
BaseRepresentation
bin10001010100011…
…10110100011100
3101010101102022200
420222032310130
5244143212401
622230011500
73412634364
oct1052166434
9333342280
10145288476
1175014423
12407a6b90
132413c518
141541d9a4
15cb4d686
hex8a8ed1c

145288476 has 36 divisors (see below), whose sum is σ = 374191272. Its totient is φ = 47515104.

The previous prime is 145288457. The next prime is 145288483. The reversal of 145288476 is 674882541.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1452884762 = 42217482516805152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36166 + ... + 39981.

It is an arithmetic number, because the mean of its divisors is an integer number (10394202).

Almost surely, 2145288476 is an apocalyptic number.

It is an amenable number.

145288476 is an abundant number, since it is smaller than the sum of its proper divisors (228902796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145288476 is a wasteful number, since it uses less digits than its factorization.

145288476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76210 (or 76205 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 145288476 is about 12053.5669409515. The cubic root of 145288476 is about 525.7069550833.

The spelling of 145288476 in words is "one hundred forty-five million, two hundred eighty-eight thousand, four hundred seventy-six".

Divisors: 1 2 3 4 6 9 12 18 36 53 106 159 212 318 477 636 954 1908 76147 152294 228441 304588 456882 685323 913764 1370646 2741292 4035791 8071582 12107373 16143164 24214746 36322119 48429492 72644238 145288476