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145078006 = 272539003
BaseRepresentation
bin10001010010110…
…11011011110110
3101002222201121111
420221123123312
5244114444011
622221305234
73411066643
oct1051333366
9332881544
10145078006
1174990287
124070521a
1324097798
14153a6dca
15cb0b121
hex8a5b6f6

145078006 has 4 divisors (see below), whose sum is σ = 217617012. Its totient is φ = 72539002.

The previous prime is 145077979. The next prime is 145078007. The reversal of 145078006 is 600870541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 600870541 = 2243267887.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145078007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36269500 + ... + 36269503.

It is an arithmetic number, because the mean of its divisors is an integer number (54404253).

Almost surely, 2145078006 is an apocalyptic number.

145078006 is a deficient number, since it is larger than the sum of its proper divisors (72539006).

145078006 is an equidigital number, since it uses as much as digits as its factorization.

145078006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72539005.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 145078006 is about 12044.8331661339. The cubic root of 145078006 is about 525.4529798719.

The spelling of 145078006 in words is "one hundred forty-five million, seventy-eight thousand, six".

Divisors: 1 2 72539003 145078006