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145838895 = 3534728019
BaseRepresentation
bin10001011000101…
…01001100101111
3101011102101100120
420230111030233
5244313321040
622245500023
73420416166
oct1054251457
9334371316
10145838895
117535aa14
1240a11613
13242a2c07
14155243dd
15cc0b7d0
hex8b1532f

145838895 has 16 divisors (see below), whose sum is σ = 234023040. Its totient is φ = 77553824.

The previous prime is 145838887. The next prime is 145838909. The reversal of 145838895 is 598838541.

145838895 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 145838895 - 23 = 145838887 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8805 + ... + 19214.

It is an arithmetic number, because the mean of its divisors is an integer number (14626440).

Almost surely, 2145838895 is an apocalyptic number.

145838895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145838895 is a deficient number, since it is larger than the sum of its proper divisors (88184145).

145838895 is a wasteful number, since it uses less digits than its factorization.

145838895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28374.

The product of its digits is 1382400, while the sum is 51.

The square root of 145838895 is about 12076.3775611729. The cubic root of 145838895 is about 526.3699910504.

The spelling of 145838895 in words is "one hundred forty-five million, eight hundred thirty-eight thousand, eight hundred ninety-five".

Divisors: 1 3 5 15 347 1041 1735 5205 28019 84057 140095 420285 9722593 29167779 48612965 145838895