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45440142533 = 2310871817533
BaseRepresentation
bin101010010100011100…
…011000110011000101
311100021210122102002222
4222110130120303011
51221030134030113
632512551542125
73166022560442
oct522434306305
9140253572088
1045440142533
11182a8859705
12898198a945
134392169106
1422b0cc29c9
1512ae3d0e08
hexa94718cc5

45440142533 has 8 divisors (see below), whose sum is σ = 47459447808. Its totient is φ = 43424474544.

The previous prime is 45440142523. The next prime is 45440142541. The reversal of 45440142533 is 33524104454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45440142533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45440142493 and 45440142502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45440142523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883766 + ... + 933767.

It is an arithmetic number, because the mean of its divisors is an integer number (5932430976).

Almost surely, 245440142533 is an apocalyptic number.

It is an amenable number.

45440142533 is a deficient number, since it is larger than the sum of its proper divisors (2019305275).

45440142533 is a wasteful number, since it uses less digits than its factorization.

45440142533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818643.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 45440142533 its reverse (33524104454), we get a palindrome (78964246987).

The spelling of 45440142533 in words is "forty-five billion, four hundred forty million, one hundred forty-two thousand, five hundred thirty-three".

Divisors: 1 23 1087 25001 1817533 41803259 1975658371 45440142533