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145025453 = 1767157811
BaseRepresentation
bin10001010010011…
…10100110101101
3101002220001112002
420221032212231
5244111303303
622220222045
73410460506
oct1051164655
9332801462
10145025453
1174954851
124069a925
13240798a1
1415391bad
15caea788
hex8a4e9ad

145025453 has 16 divisors (see below), whose sum is σ = 157034304. Its totient is φ = 133436160.

The previous prime is 145025431. The next prime is 145025467. The reversal of 145025453 is 354520541.

145025453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 145025453 - 214 = 145009069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145025473) 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, 178418 + ... + 179228.

It is an arithmetic number, because the mean of its divisors is an integer number (9814644).

Almost surely, 2145025453 is an apocalyptic number.

It is an amenable number.

145025453 is a deficient number, since it is larger than the sum of its proper divisors (12008851).

145025453 is a wasteful number, since it uses less digits than its factorization.

145025453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 145025453 is about 12042.6514107152. The cubic root of 145025453 is about 525.3895255823.

Adding to 145025453 its reverse (354520541), we get a palindrome (499545994).

The spelling of 145025453 in words is "one hundred forty-five million, twenty-five thousand, four hundred fifty-three".

Divisors: 1 17 67 157 811 1139 2669 10519 13787 54337 127327 178823 923729 2164559 8530909 145025453