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145033433 = 1003914447
BaseRepresentation
bin10001010010100…
…00100011011001
3101002220110110122
420221100203121
5244112032213
622220323025
73410522666
oct1051204331
9332813418
10145033433
117495a846
12406a3475
13240803cc
1415394a6d
15caecd08
hex8a508d9

145033433 has 4 divisors (see below), whose sum is σ = 145057920. Its totient is φ = 145008948.

The previous prime is 145033411. The next prime is 145033439. The reversal of 145033433 is 334330541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 145033433 - 210 = 145032409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145033439) by changing a digit.

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, 2816 + ... + 17262.

It is an arithmetic number, because the mean of its divisors is an integer number (36264480).

Almost surely, 2145033433 is an apocalyptic number.

It is an amenable number.

145033433 is a deficient number, since it is larger than the sum of its proper divisors (24487).

145033433 is a wasteful number, since it uses less digits than its factorization.

145033433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24486.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 145033433 is about 12042.9827285436. The cubic root of 145033433 is about 525.3991618943.

Adding to 145033433 its reverse (334330541), we get a palindrome (479363974).

The spelling of 145033433 in words is "one hundred forty-five million, thirty-three thousand, four hundred thirty-three".

Divisors: 1 10039 14447 145033433