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145338056 = 2322979333
BaseRepresentation
bin10001010100110…
…10111011001000
3101010110221022222
420222122323020
5244201304211
622231033212
73413232053
oct1052327310
9333427288
10145338056
11750486a6
124080b808
1324158c66
1415433a9a
15cb5d1db
hex8a9aec8

145338056 has 16 divisors (see below), whose sum is σ = 273702300. Its totient is φ = 72350784.

The previous prime is 145338019. The next prime is 145338059. The reversal of 145338056 is 650833541.

It can be written as a sum of positive squares in 2 ways, for example, as 137124100 + 8213956 = 11710^2 + 2866^2 .

It is a super-2 number, since 2×1453380562 = 42246301043718272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145338059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37835 + ... + 41498.

Almost surely, 2145338056 is an apocalyptic number.

It is an amenable number.

145338056 is a deficient number, since it is larger than the sum of its proper divisors (128364244).

145338056 is a wasteful number, since it uses less digits than its factorization.

145338056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79568 (or 79564 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 145338056 is about 12055.6234181398. The cubic root of 145338056 is about 525.7667478195.

The spelling of 145338056 in words is "one hundred forty-five million, three hundred thirty-eight thousand, fifty-six".

Divisors: 1 2 4 8 229 458 916 1832 79333 158666 317332 634664 18167257 36334514 72669028 145338056