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145306354 = 2732234463
BaseRepresentation
bin10001010100100…
…11001011110010
3101010102022211211
420222103023302
5244144300404
622230230334
73413040454
oct1052231362
9333368754
10145306354
11750268a6
12407b53aa
13241476bb
14154262d4
15cb53b04
hex8a932f2

145306354 has 16 divisors (see below), whose sum is σ = 221985792. Its totient is φ = 71320608.

The previous prime is 145306351. The next prime is 145306391. The reversal of 145306354 is 453603541.

It is a super-2 number, since 2×1453063542 = 42227873025546632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145306351) 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 7 ways as a sum of consecutive naturals, for example, 30327 + ... + 34789.

It is an arithmetic number, because the mean of its divisors is an integer number (13874112).

Almost surely, 2145306354 is an apocalyptic number.

145306354 is a deficient number, since it is larger than the sum of its proper divisors (76679438).

145306354 is a wasteful number, since it uses less digits than its factorization.

145306354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4761.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 145306354 is about 12054.3085243410. The cubic root of 145306354 is about 525.7285172511.

Adding to 145306354 its reverse (453603541), we get a palindrome (598909895).

The spelling of 145306354 in words is "one hundred forty-five million, three hundred six thousand, three hundred fifty-four".

Divisors: 1 2 73 146 223 446 4463 8926 16279 32558 325799 651598 995249 1990498 72653177 145306354