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145432211 = 713475903
BaseRepresentation
bin10001010101100…
…01111010010011
3101010122201111012
420222301322103
5244212312321
622233041135
73414103421
oct1052617223
9333581435
10145432211
1175102411
12408561ab
132418ca82
141545a111
15cb7b05b
hex8ab1e93

145432211 has 8 divisors (see below), whose sum is σ = 147930624. Its totient is φ = 142946440.

The previous prime is 145432201. The next prime is 145432271. The reversal of 145432211 is 112234541.

145432211 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 not a de Polignac number, because 145432211 - 214 = 145415827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145432201) 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, 21686 + ... + 27588.

It is an arithmetic number, because the mean of its divisors is an integer number (18491328).

Almost surely, 2145432211 is an apocalyptic number.

145432211 is a deficient number, since it is larger than the sum of its proper divisors (2498413).

145432211 is an equidigital number, since it uses as much as digits as its factorization.

145432211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6321.

The product of its digits is 960, while the sum is 23.

The square root of 145432211 is about 12059.5278099932. The cubic root of 145432211 is about 525.8802599151.

Adding to 145432211 its reverse (112234541), we get a palindrome (257666752).

The spelling of 145432211 in words is "one hundred forty-five million, four hundred thirty-two thousand, two hundred eleven".

Divisors: 1 71 347 5903 24637 419113 2048341 145432211