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145078097 = 296138161
BaseRepresentation
bin10001010010110…
…11011101010001
3101002222201201212
420221123131101
5244114444342
622221305505
73411100133
oct1051333521
9332881655
10145078097
117499035a
1240705295
1324097838
14153a7053
15cb0b182
hex8a5b751

145078097 has 8 divisors (see below), whose sum is σ = 150344040. Its totient is φ = 139829760.

The previous prime is 145078093. The next prime is 145078103. The reversal of 145078097 is 790870541.

145078097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 92416 + 144985681 = 304^2 + 12041^2 .

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 145078097 - 22 = 145078093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145078093) 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, 13697 + ... + 21857.

It is an arithmetic number, because the mean of its divisors is an integer number (18793005).

Almost surely, 2145078097 is an apocalyptic number.

It is an amenable number.

145078097 is a deficient number, since it is larger than the sum of its proper divisors (5265943).

145078097 is an equidigital number, since it uses as much as digits as its factorization.

145078097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8803.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 145078097 is about 12044.8369436867. The cubic root of 145078097 is about 525.4530897351.

The spelling of 145078097 in words is "one hundred forty-five million, seventy-eight thousand, ninety-seven".

Divisors: 1 29 613 8161 17777 236669 5002693 145078097