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145060442 = 2101718121
BaseRepresentation
bin10001010010101…
…11001001011010
3101002221211111222
420221113021122
5244113413232
622221052042
73410664512
oct1051271132
9332854458
10145060442
117497906a
12406b7022
132408c7a7
14153a0842
15cb05d12
hex8a5725a

145060442 has 8 divisors (see below), whose sum is σ = 219745332. Its totient is φ = 71812000.

The previous prime is 145060403. The next prime is 145060463. The reversal of 145060442 is 244060541.

It can be written as a sum of positive squares in 2 ways, for example, as 97436641 + 47623801 = 9871^2 + 6901^2 .

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

It is an unprimeable number.

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, 358859 + ... + 359262.

Almost surely, 2145060442 is an apocalyptic number.

145060442 is a deficient number, since it is larger than the sum of its proper divisors (74684890).

145060442 is a wasteful number, since it uses less digits than its factorization.

145060442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718224.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 145060442 is about 12044.1040347549. The cubic root of 145060442 is about 525.4317742027.

Subtracting 145060442 from its reverse (244060541), we obtain a palindrome (99000099).

The spelling of 145060442 in words is "one hundred forty-five million, sixty thousand, four hundred forty-two".

Divisors: 1 2 101 202 718121 1436242 72530221 145060442