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145404355 = 547516121
BaseRepresentation
bin10001010101010…
…11000111000011
3101010121022021111
420222223013003
5244210414410
622232304151
73413626255
oct1052530703
9333538244
10145404355
1175093498
1240842057
13241801a5
141544dcd5
15cb72b8a
hex8aab1c3

145404355 has 8 divisors (see below), whose sum is σ = 174550464. Its totient is φ = 116280000.

The previous prime is 145404341. The next prime is 145404361. The reversal of 145404355 is 553404541.

It is a happy number.

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

It is not a de Polignac number, because 145404355 - 215 = 145371587 is a prime.

It is a super-2 number, since 2×1454043552 = 42284852905932050, which contains 22 as substring.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 20695 + ... + 26815.

It is an arithmetic number, because the mean of its divisors is an integer number (21818808).

Almost surely, 2145404355 is an apocalyptic number.

145404355 is a deficient number, since it is larger than the sum of its proper divisors (29146109).

145404355 is an equidigital number, since it uses as much as digits as its factorization.

145404355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10877.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 145404355 is about 12058.3728172586. The cubic root of 145404355 is about 525.8466821729.

Adding to 145404355 its reverse (553404541), we get a palindrome (698808896).

The spelling of 145404355 in words is "one hundred forty-five million, four hundred four thousand, three hundred fifty-five".

Divisors: 1 5 4751 6121 23755 30605 29080871 145404355