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145325124425 = 5213447154229
BaseRepresentation
bin1000011101011000001…
…1010110101101001001
3111220002221212020011202
42013112003112231021
54340111212440200
6150432245433545
713333202114255
oct2072603265511
9456087766152
10145325124425
11566a5275a18
12241b910b8b5
131091cba73b0
147068963265
153ba849b1d5
hex21d60d6b49

145325124425 has 12 divisors (see below), whose sum is σ = 194064935820. Its totient is φ = 107317014720.

The previous prime is 145325124403. The next prime is 145325124467. The reversal of 145325124425 is 524421523541.

It can be written as a sum of positive squares in 6 ways, for example, as 39891856 + 145285232569 = 6316^2 + 381163^2 .

It is not a de Polignac number, because 145325124425 - 210 = 145325123401 is a prime.

It is a super-2 number, since 2×1453251244252 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223576790 + ... + 223577439.

It is an arithmetic number, because the mean of its divisors is an integer number (16172077985).

Almost surely, 2145325124425 is an apocalyptic number.

It is an amenable number.

145325124425 is a deficient number, since it is larger than the sum of its proper divisors (48739811395).

145325124425 is a wasteful number, since it uses less digits than its factorization.

145325124425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447154252 (or 447154247 counting only the distinct ones).

The product of its digits is 192000, while the sum is 38.

Adding to 145325124425 its reverse (524421523541), we get a palindrome (669746647966).

The spelling of 145325124425 in words is "one hundred forty-five billion, three hundred twenty-five million, one hundred twenty-four thousand, four hundred twenty-five".

Divisors: 1 5 13 25 65 325 447154229 2235771145 5813004977 11178855725 29065024885 145325124425