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145932923 = 612392343
BaseRepresentation
bin10001011001011…
…00001001111011
3101011121011100002
420230230021323
5244324323143
622251503215
73421260263
oct1054541173
9334534302
10145932923
1175414624
1240a57b0b
1324306956
141554a7a3
15cc295b8
hex8b2c27b

145932923 has 4 divisors (see below), whose sum is σ = 148325328. Its totient is φ = 143540520.

The previous prime is 145932889. The next prime is 145932929. The reversal of 145932923 is 329239541.

It is a happy number.

145932923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145932923 - 28 = 145932667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145932929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1196111 + ... + 1196232.

It is an arithmetic number, because the mean of its divisors is an integer number (37081332).

Almost surely, 2145932923 is an apocalyptic number.

145932923 is a deficient number, since it is larger than the sum of its proper divisors (2392405).

145932923 is an equidigital number, since it uses as much as digits as its factorization.

145932923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392404.

The product of its digits is 58320, while the sum is 38.

The square root of 145932923 is about 12080.2699887047. The cubic root of 145932923 is about 526.4830904732.

The spelling of 145932923 in words is "one hundred forty-five million, nine hundred thirty-two thousand, nine hundred twenty-three".

Divisors: 1 61 2392343 145932923