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145327541 = 1031410947
BaseRepresentation
bin10001010100110…
…00010110110101
3101010110101220112
420222120112311
5244200440131
622230512405
73413156312
oct1052302665
9333411815
10145327541
1175040807
1240805705
1324154238
141542dd09
15cb5a02b
hex8a985b5

145327541 has 4 divisors (see below), whose sum is σ = 146738592. Its totient is φ = 143916492.

The previous prime is 145327517. The next prime is 145327549. The reversal of 145327541 is 145723541.

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 an emirpimes, since its reverse is a distinct semiprime: 145723541 = 178571973.

It is a cyclic number.

It is not a de Polignac number, because 145327541 - 214 = 145311157 is a prime.

It is a super-2 number, since 2×1453275412 = 42240188346213362, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 145327498 and 145327507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145327549) 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 in 3 ways as a sum of consecutive naturals, for example, 705371 + ... + 705576.

It is an arithmetic number, because the mean of its divisors is an integer number (36684648).

Almost surely, 2145327541 is an apocalyptic number.

It is an amenable number.

145327541 is a deficient number, since it is larger than the sum of its proper divisors (1411051).

145327541 is a wasteful number, since it uses less digits than its factorization.

145327541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411050.

The product of its digits is 16800, while the sum is 32.

The square root of 145327541 is about 12055.1873067157. The cubic root of 145327541 is about 525.7540680235.

The spelling of 145327541 in words is "one hundred forty-five million, three hundred twenty-seven thousand, five hundred forty-one".

Divisors: 1 103 1410947 145327541