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145626541 = 508128661
BaseRepresentation
bin10001010111000…
…01010110101101
3101011000121001121
420223201112231
5244240022131
622241140541
73415543114
oct1053412655
9334017047
10145626541
1175225415
124092a751
132422a368
14154aac7b
15cbb8911
hex8ae15ad

145626541 has 4 divisors (see below), whose sum is σ = 145660284. Its totient is φ = 145592800.

The previous prime is 145626529. The next prime is 145626557.

145626541 is nontrivially palindromic in base 10.

145626541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 91604041 + 54022500 = 9571^2 + 7350^2 .

It is a cyclic number.

It is not a de Polignac number, because 145626541 - 221 = 143529389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145626497 and 145626506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145626511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9250 + ... + 19411.

It is an arithmetic number, because the mean of its divisors is an integer number (36415071).

Almost surely, 2145626541 is an apocalyptic number.

It is an amenable number.

145626541 is a deficient number, since it is larger than the sum of its proper divisors (33743).

145626541 is an equidigital number, since it uses as much as digits as its factorization.

145626541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33742.

The product of its digits is 28800, while the sum is 34.

The square root of 145626541 is about 12067.5822350627. The cubic root of 145626541 is about 526.1143869259.

The spelling of 145626541 in words is "one hundred forty-five million, six hundred twenty-six thousand, five hundred forty-one".

Divisors: 1 5081 28661 145626541