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145151425 = 529476131
BaseRepresentation
bin10001010011011…
…01010111000001
3101010010110022201
420221231113001
5244124321200
622223033201
73411523666
oct1051552701
9333113281
10145151425
1174a30461
124073b801
13240c2023
14153c5a6d
15cb22c6a
hex8a6d5c1

145151425 has 12 divisors (see below), whose sum is σ = 180207216. Its totient is φ = 115979600.

The previous prime is 145151353. The next prime is 145151429. The reversal of 145151425 is 524151541.

It is not a de Polignac number, because 145151425 - 211 = 145149377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145151393 and 145151402.

It is not an unprimeable number, because it can be changed into a prime (145151429) 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 11 ways as a sum of consecutive naturals, for example, 20610 + ... + 26740.

It is an arithmetic number, because the mean of its divisors is an integer number (15017268).

Almost surely, 2145151425 is an apocalyptic number.

It is an amenable number.

145151425 is a deficient number, since it is larger than the sum of its proper divisors (35055791).

145151425 is an equidigital number, since it uses as much as digits as its factorization.

145151425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7088 (or 7083 counting only the distinct ones).

The product of its digits is 4000, while the sum is 28.

The square root of 145151425 is about 12047.8805189959. The cubic root of 145151425 is about 525.5416028307.

The spelling of 145151425 in words is "one hundred forty-five million, one hundred fifty-one thousand, four hundred twenty-five".

Divisors: 1 5 25 947 4735 6131 23675 30655 153275 5806057 29030285 145151425