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145341253 = 469130983
BaseRepresentation
bin10001010100110…
…11101101000101
3101010111002201101
420222123231011
5244201410003
622231100101
73413244301
oct1052335505
9333432641
10145341253
1175050042
1240811631
132415a555
1415434d01
15cb5e11d
hex8a9bb45

145341253 has 4 divisors (see below), whose sum is σ = 145376928. Its totient is φ = 145305580.

The previous prime is 145341239. The next prime is 145341263. The reversal of 145341253 is 352143541.

145341253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 145341253 - 25 = 145341221 is a prime.

It is a super-2 number, since 2×1453412532 = 42248159647220018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145341263) 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, 10801 + ... + 20182.

It is an arithmetic number, because the mean of its divisors is an integer number (36344232).

Almost surely, 2145341253 is an apocalyptic number.

It is an amenable number.

145341253 is a deficient number, since it is larger than the sum of its proper divisors (35675).

145341253 is an equidigital number, since it uses as much as digits as its factorization.

145341253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35674.

The product of its digits is 7200, while the sum is 28.

The square root of 145341253 is about 12055.7560111343. The cubic root of 145341253 is about 525.7706028868.

Adding to 145341253 its reverse (352143541), we get a palindrome (497484794).

The spelling of 145341253 in words is "one hundred forty-five million, three hundred forty-one thousand, two hundred fifty-three".

Divisors: 1 4691 30983 145341253