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145700087 = 1359189961
BaseRepresentation
bin10001010111100…
…11010011110111
3101011011022221112
420223303103313
5244244400322
622242505235
73416300411
oct1053632367
9334138845
10145700087
11752756a5
124096521b
1324254990
14154c99b1
15cbd05e2
hex8af34f7

145700087 has 8 divisors (see below), whose sum is σ = 159568080. Its totient is φ = 132212160.

The previous prime is 145700083. The next prime is 145700099. The reversal of 145700087 is 780007541.

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 145700087 - 22 = 145700083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145700083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94214 + ... + 95747.

It is an arithmetic number, because the mean of its divisors is an integer number (19946010).

Almost surely, 2145700087 is an apocalyptic number.

145700087 is a deficient number, since it is larger than the sum of its proper divisors (13867993).

145700087 is a wasteful number, since it uses less digits than its factorization.

145700087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190033.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 145700087 is about 12070.6291053946. The cubic root of 145700087 is about 526.2029401444.

The spelling of 145700087 in words is "one hundred forty-five million, seven hundred thousand, eighty-seven".

Divisors: 1 13 59 767 189961 2469493 11207699 145700087