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145232603242 = 21491132143049
BaseRepresentation
bin1000011101000010001…
…0011010100001101010
3111212212111202122222021
42013100202122201222
54334414021300432
6150415142415054
713330666521226
oct2072042324152
9455774678867
10145232603242
1156658022431
122419213148a
1310906981a2c
14705a55b786
153ba02c2697
hex21d089a86a

145232603242 has 16 divisors (see below), whose sum is σ = 219335445000. Its totient is φ = 72120897280.

The previous prime is 145232603227. The next prime is 145232603251. The reversal of 145232603242 is 242306232541.

It can be written as a sum of positive squares in 4 ways, for example, as 95437127041 + 49795476201 = 308929^2 + 223149^2 .

It is a junction number, because it is equal to n+sod(n) for n = 145232603198 and 145232603207.

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, 3352134 + ... + 3395182.

Almost surely, 2145232603242 is an apocalyptic number.

145232603242 is a deficient number, since it is larger than the sum of its proper divisors (74102841758).

145232603242 is a wasteful number, since it uses less digits than its factorization.

145232603242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54521.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 145232603242 its reverse (242306232541), we get a palindrome (387538835783).

The spelling of 145232603242 in words is "one hundred forty-five billion, two hundred thirty-two million, six hundred three thousand, two hundred forty-two".

Divisors: 1 2 149 298 11321 22642 43049 86098 1686829 3373658 6414301 12828602 487357729 974715458 72616301621 145232603242