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145450525243 = 13116739716747
BaseRepresentation
bin1000011101110110000…
…1101110001000111011
3111220102200211020202111
42013131201232020323
54340340313301433
6150452525313151
713336254031312
oct2073541561073
9456380736674
10145450525243
115675a036461
12242331057b7
131093cb7266a
14707b487279
153bb44bbdcd
hex21dd86e23b

145450525243 has 16 divisors (see below), whose sum is σ = 147818651904. Its totient is φ = 143105957280.

The previous prime is 145450525229. The next prime is 145450525327. The reversal of 145450525243 is 342525054541.

It is a cyclic number.

It is not a de Polignac number, because 145450525243 - 25 = 145450525211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145450525196 and 145450525205.

It is not an unprimeable number, because it can be changed into a prime (145450525343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8676796 + ... + 8693542.

It is an arithmetic number, because the mean of its divisors is an integer number (9238665744).

Almost surely, 2145450525243 is an apocalyptic number.

145450525243 is a deficient number, since it is larger than the sum of its proper divisors (2368126661).

145450525243 is a wasteful number, since it uses less digits than its factorization.

145450525243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17442.

The product of its (nonzero) digits is 480000, while the sum is 40.

Adding to 145450525243 its reverse (342525054541), we get a palindrome (487975579784).

The spelling of 145450525243 in words is "one hundred forty-five billion, four hundred fifty million, five hundred twenty-five thousand, two hundred forty-three".

Divisors: 1 131 167 397 16747 21877 52007 66299 2193857 2796749 6648559 8685169 366374119 870961229 1110309353 145450525243