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145895923 = 2319133211
BaseRepresentation
bin10001011001000…
…11000111110011
3101011112021120201
420230203013303
5244322132143
622251020031
73421044355
oct1054430763
9334467521
10145895923
1175399848
1240a3a617
13242c2b64
141553b0d5
15cc1d64d
hex8b231f3

145895923 has 8 divisors (see below), whose sum is σ = 153040896. Its totient is φ = 138817800.

The previous prime is 145895881. The next prime is 145895933. The reversal of 145895923 is 329598541.

145895923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-145895923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145895933) 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, 12213 + ... + 20998.

It is an arithmetic number, because the mean of its divisors is an integer number (19130112).

Almost surely, 2145895923 is an apocalyptic number.

145895923 is a deficient number, since it is larger than the sum of its proper divisors (7144973).

145895923 is a wasteful number, since it uses less digits than its factorization.

145895923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33425.

The product of its digits is 388800, while the sum is 46.

The square root of 145895923 is about 12078.7384688965. The cubic root of 145895923 is about 526.4385916708.

The spelling of 145895923 in words is "one hundred forty-five million, eight hundred ninety-five thousand, nine hundred twenty-three".

Divisors: 1 23 191 4393 33211 763853 6343301 145895923