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45405145450 = 25271108711701
BaseRepresentation
bin101010010010010110…
…111000100101101010
311100012100210101010201
4222102112320211222
51220442204123300
632505301502414
73165116240230
oct522226704552
9140170711121
1045405145450
11182900258a5
128972111a0a
134387b34792
1422aa3b2950
1512ab2bb66a
hexa925b896a

45405145450 has 48 divisors (see below), whose sum is σ = 96535321344. Its totient is φ = 15564744000.

The previous prime is 45405145447. The next prime is 45405145463. The reversal of 45405145450 is 5454150454.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3874600 + ... + 3886300.

It is an arithmetic number, because the mean of its divisors is an integer number (2011152528).

Almost surely, 245405145450 is an apocalyptic number.

45405145450 is an abundant number, since it is smaller than the sum of its proper divisors (51130175894).

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

45405145450 is a wasteful number, since it uses less digits than its factorization.

45405145450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22807 (or 22802 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 37.

The spelling of 45405145450 in words is "forty-five billion, four hundred five million, one hundred forty-five thousand, four hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 11087 11701 22174 23402 55435 58505 77609 81907 110870 117010 155218 163814 277175 292525 388045 409535 554350 585050 776090 819070 1940225 2047675 3880450 4095350 129728987 259457974 648644935 908102909 1297289870 1816205818 3243224675 4540514545 6486449350 9081029090 22702572725 45405145450