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145231104534 = 2339760970237
BaseRepresentation
bin1000011101000001110…
…0101100101000010110
3111212212101221112010120
42013100130230220112
54334413130321114
6150415050332410
713330651006635
oct2072034545026
9455771845116
10145231104534
115665719942a
122419172a106
1310906578819
14705a28b51c
153ba00c85a9
hex21d072ca16

145231104534 has 16 divisors (see below), whose sum is σ = 291193856688. Its totient is φ = 48288426912.

The previous prime is 145231104511. The next prime is 145231104541. The reversal of 145231104534 is 435401132541.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 145231104495 and 145231104504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30482737 + ... + 30487500.

It is an arithmetic number, because the mean of its divisors is an integer number (18199616043).

Almost surely, 2145231104534 is an apocalyptic number.

145231104534 is an abundant number, since it is smaller than the sum of its proper divisors (145962752154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145231104534 is a wasteful number, since it uses less digits than its factorization.

145231104534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60970639.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 145231104534 in words is "one hundred forty-five billion, two hundred thirty-one million, one hundred four thousand, five hundred thirty-four".

Divisors: 1 2 3 6 397 794 1191 2382 60970237 121940474 182910711 365821422 24205184089 48410368178 72615552267 145231104534