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145610453 = 1271146539
BaseRepresentation
bin10001010110111…
…01011011010101
3101010222202222202
420223131123111
5244234013303
622240534245
73415445162
oct1053353325
9333882882
10145610453
117521431a
1240921385
1324222c41
14154a5069
15cbb3c88
hex8add6d5

145610453 has 4 divisors (see below), whose sum is σ = 146757120. Its totient is φ = 144463788.

The previous prime is 145610449. The next prime is 145610459. The reversal of 145610453 is 354016541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145610453 - 22 = 145610449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145610459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573143 + ... + 573396.

It is an arithmetic number, because the mean of its divisors is an integer number (36689280).

Almost surely, 2145610453 is an apocalyptic number.

It is an amenable number.

145610453 is a deficient number, since it is larger than the sum of its proper divisors (1146667).

145610453 is a wasteful number, since it uses less digits than its factorization.

145610453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146666.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 145610453 is about 12066.9156373947. The cubic root of 145610453 is about 526.0950121611.

Adding to 145610453 its reverse (354016541), we get a palindrome (499626994).

The spelling of 145610453 in words is "one hundred forty-five million, six hundred ten thousand, four hundred fifty-three".

Divisors: 1 127 1146539 145610453