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145560315894 = 2373465721807
BaseRepresentation
bin1000011110010000010…
…0100010011111110110
3111220201100102012012220
42013210010202133312
54341101420102034
6150511450423210
713342056161550
oct2074404423766
9456640365186
10145560315894
1156806004834
1224263a31b06
1310959833646
14708bca64d0
153bbde57749
hex21e41227f6

145560315894 has 16 divisors (see below), whose sum is σ = 332709293568. Its totient is φ = 41588661672.

The previous prime is 145560315869. The next prime is 145560315919. The reversal of 145560315894 is 498513065541.

145560315894 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145560315869) and next prime (145560315919).

It is a super-2 number, since 2×1455603158942 (a number of 23 digits) contains 22 as substring.

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, 1732860862 + ... + 1732860945.

It is an arithmetic number, because the mean of its divisors is an integer number (20794330848).

Almost surely, 2145560315894 is an apocalyptic number.

145560315894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145560315894 is an abundant number, since it is smaller than the sum of its proper divisors (187148977674).

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

145560315894 is a wasteful number, since it uses less digits than its factorization.

145560315894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3465721819.

The product of its (nonzero) digits is 2592000, while the sum is 51.

The spelling of 145560315894 in words is "one hundred forty-five billion, five hundred sixty million, three hundred fifteen thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 42 3465721807 6931443614 10397165421 20794330842 24260052649 48520105298 72780157947 145560315894