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145330342 = 2475915269
BaseRepresentation
bin10001010100110…
…01000010100110
3101010110112202021
420222121002212
5244201032332
622230533354
73413200423
oct1052310246
9333415667
10145330342
1175042923
124080725a
13241555b1
1415430d4a
15cb5ac97
hex8a990a6

145330342 has 8 divisors (see below), whose sum is σ = 218055600. Its totient is φ = 72645144.

The previous prime is 145330333. The next prime is 145330357. The reversal of 145330342 is 243033541.

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

It is a super-2 number, since 2×1453303422 = 42241816611673928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1884 + ... + 17152.

It is an arithmetic number, because the mean of its divisors is an integer number (27256950).

Almost surely, 2145330342 is an apocalyptic number.

145330342 is a deficient number, since it is larger than the sum of its proper divisors (72725258).

145330342 is a wasteful number, since it uses less digits than its factorization.

145330342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20030.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 145330342 is about 12055.3034802115. The cubic root of 145330342 is about 525.7574457446.

Adding to 145330342 its reverse (243033541), we get a palindrome (388363883).

The spelling of 145330342 in words is "one hundred forty-five million, three hundred thirty thousand, three hundred forty-two".

Divisors: 1 2 4759 9518 15269 30538 72665171 145330342