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145045052 = 2236261263
BaseRepresentation
bin10001010010100…
…11011000111100
3101002221001101222
420221103120330
5244112420202
622220452512
73410601605
oct1051233074
9332831358
10145045052
1174968549
12406aa138
1324085799
1415398dac
15cb014a2
hex8a5363c

145045052 has 6 divisors (see below), whose sum is σ = 253828848. Its totient is φ = 72522524.

The previous prime is 145045009. The next prime is 145045057. The reversal of 145045052 is 250540541.

145045052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145045057) 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 as a sum of consecutive naturals, namely, 18130628 + ... + 18130635.

It is an arithmetic number, because the mean of its divisors is an integer number (42304808).

Almost surely, 2145045052 is an apocalyptic number.

It is an amenable number.

145045052 is a deficient number, since it is larger than the sum of its proper divisors (108783796).

145045052 is a wasteful number, since it uses less digits than its factorization.

145045052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36261267 (or 36261265 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 145045052 is about 12043.4651159872. The cubic root of 145045052 is about 525.4131918774.

Adding to 145045052 its reverse (250540541), we get a palindrome (395585593).

The spelling of 145045052 in words is "one hundred forty-five million, forty-five thousand, fifty-two".

Divisors: 1 2 4 36261263 72522526 145045052