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145364417 = 1113214947
BaseRepresentation
bin10001010101000…
…01010111000001
3101010112021111022
420222201113001
5244203130132
622231355225
73413401652
oct1052412701
9333467438
10145364417
1175066490
1240822b15
1324167c63
141543d529
15cb65e12
hex8aa15c1

145364417 has 4 divisors (see below), whose sum is σ = 158579376. Its totient is φ = 132149460.

The previous prime is 145364413. The next prime is 145364419. The reversal of 145364417 is 714463541.

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 145364417 - 22 = 145364413 is a prime.

It is a super-2 number, since 2×1453644172 = 42261627459499778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145364411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6607463 + ... + 6607484.

It is an arithmetic number, because the mean of its divisors is an integer number (39644844).

Almost surely, 2145364417 is an apocalyptic number.

It is an amenable number.

145364417 is a deficient number, since it is larger than the sum of its proper divisors (13214959).

145364417 is a wasteful number, since it uses less digits than its factorization.

145364417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13214958.

The product of its digits is 40320, while the sum is 35.

The square root of 145364417 is about 12056.7166757787. The cubic root of 145364417 is about 525.7985332531.

The spelling of 145364417 in words is "one hundred forty-five million, three hundred sixty-four thousand, four hundred seventeen".

Divisors: 1 11 13214947 145364417