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145790533 = 722975317
BaseRepresentation
bin10001011000010…
…01011001000101
3101011022221000101
420230021121011
5244310244113
622244444101
73420125200
oct1054113105
9334287011
10145790533
1175327649
12409a9631
1324286bb5
1415510937
15cbec2dd
hex8b09645

145790533 has 6 divisors (see below), whose sum is σ = 169593126. Its totient is φ = 124963272.

The previous prime is 145790531. The next prime is 145790543. The reversal of 145790533 is 335097541.

It can be written as a sum of positive squares in only one way, i.e., 111133764 + 34656769 = 10542^2 + 5887^2 .

It is not a de Polignac number, because 145790533 - 21 = 145790531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145790492 and 145790501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145790531) 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 5 ways as a sum of consecutive naturals, for example, 1487610 + ... + 1487707.

It is an arithmetic number, because the mean of its divisors is an integer number (28265521).

Almost surely, 2145790533 is an apocalyptic number.

It is an amenable number.

145790533 is a deficient number, since it is larger than the sum of its proper divisors (23802593).

145790533 is an equidigital number, since it uses as much as digits as its factorization.

145790533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975331 (or 2975324 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 145790533 is about 12074.3750562917. The cubic root of 145790533 is about 526.3118009956.

The spelling of 145790533 in words is "one hundred forty-five million, seven hundred ninety thousand, five hundred thirty-three".

Divisors: 1 7 49 2975317 20827219 145790533