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145040041655 = 5104632772437
BaseRepresentation
bin1000011100010100001…
…1110110011010110111
3111212101002102112010122
42013011003312122313
54334020222313110
6150344103242155
713323141004205
oct2070503663267
9455332375118
10145040041655
1156569360023
122413974935b
13108a5b00372
14703cb54075
153b8d437255
hex21c50f66b7

145040041655 has 8 divisors (see below), whose sum is σ = 174064747392. Its totient is φ = 116020901728.

The previous prime is 145040041633. The next prime is 145040041681. The reversal of 145040041655 is 556140040541.

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

It is a cyclic number.

It is not a de Polignac number, because 145040041655 - 220 = 145038993079 is a prime.

It is a super-2 number, since 2×1450400416552 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1333904 + ... + 1438533.

It is an arithmetic number, because the mean of its divisors is an integer number (21758093424).

Almost surely, 2145040041655 is an apocalyptic number.

145040041655 is a deficient number, since it is larger than the sum of its proper divisors (29024705737).

145040041655 is a wasteful number, since it uses less digits than its factorization.

145040041655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782905.

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 145040041655 in words is "one hundred forty-five billion, forty million, forty-one thousand, six hundred fifty-five".

Divisors: 1 5 10463 52315 2772437 13862185 29008008331 145040041655