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145212352 = 262268943
BaseRepresentation
bin10001010011111…
…00001111000000
3101010020112220021
420221330033000
5244133243402
622224223224
73412166425
oct1051741700
9333215807
10145212352
1174a7220a
124076ab14
132411398c
14153ddd4c
15cb35d37
hex8a7c3c0

145212352 has 14 divisors (see below), whose sum is σ = 288155888. Its totient is φ = 72606144.

The previous prime is 145212293. The next prime is 145212359. The reversal of 145212352 is 253212541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145212359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1134408 + ... + 1134535.

Almost surely, 2145212352 is an apocalyptic number.

It is an amenable number.

145212352 is a deficient number, since it is larger than the sum of its proper divisors (142943536).

145212352 is an equidigital number, since it uses as much as digits as its factorization.

145212352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268955 (or 2268945 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 145212352 is about 12050.4087897465. The cubic root of 145212352 is about 525.6151241992.

Adding to 145212352 its reverse (253212541), we get a palindrome (398424893).

The spelling of 145212352 in words is "one hundred forty-five million, two hundred twelve thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 32 64 2268943 4537886 9075772 18151544 36303088 72606176 145212352