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144545064 = 23323318447
BaseRepresentation
bin10001001110110…
…01010100101000
3101001222122112220
420213121110220
5244000420224
622202034040
73403420116
oct1047312450
9331878486
10144545064
1174656934
12404a8920
1323c3c031
14152a8ab6
15ca53279
hex89d9528

144545064 has 64 divisors (see below), whose sum is σ = 389283840. Its totient is φ = 44594880.

The previous prime is 144545057. The next prime is 144545113. The reversal of 144545064 is 460545441.

144545064 = 2732 + 2742 + ... + 7682.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12889 + ... + 21335.

It is an arithmetic number, because the mean of its divisors is an integer number (6082560).

Almost surely, 2144545064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144545064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194641920).

144545064 is an abundant number, since it is smaller than the sum of its proper divisors (244738776).

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

144545064 is a wasteful number, since it uses less digits than its factorization.

144545064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8510 (or 8506 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 144545064 is about 12022.6895493479. The cubic root of 144545064 is about 524.8087757090.

The spelling of 144545064 in words is "one hundred forty-four million, five hundred forty-five thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 23 24 31 46 62 69 92 93 124 138 184 186 248 276 372 552 713 744 1426 2139 2852 4278 5704 8447 8556 16894 17112 25341 33788 50682 67576 101364 194281 202728 261857 388562 523714 582843 777124 785571 1047428 1165686 1554248 1571142 2094856 2331372 3142284 4662744 6022711 6284568 12045422 18068133 24090844 36136266 48181688 72272532 144545064