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45154069 = 347130127
BaseRepresentation
bin1010110000111…
…1111100010101
310010222001201221
42230033330111
543024412234
64251450341
71055542342
oct254177425
9103861657
1045154069
1123540a14
12131569b1
13947c7ac
145dd57c9
153e6deb4
hex2b0ff15

45154069 has 4 divisors (see below), whose sum is σ = 45284544. Its totient is φ = 45023596.

The previous prime is 45154049. The next prime is 45154103. The reversal of 45154069 is 96045154.

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, and also an emirpimes, since its reverse is a distinct semiprime: 96045154 = 248022577.

It is a cyclic number.

It is not a de Polignac number, because 45154069 - 221 = 43056917 is a prime.

It is a super-2 number, since 2×451540692 = 4077779894513522, 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 (45154019) 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, 64717 + ... + 65410.

It is an arithmetic number, because the mean of its divisors is an integer number (11321136).

Almost surely, 245154069 is an apocalyptic number.

It is an amenable number.

45154069 is a deficient number, since it is larger than the sum of its proper divisors (130475).

45154069 is a wasteful number, since it uses less digits than its factorization.

45154069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130474.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 45154069 is about 6719.6777452494. The cubic root of 45154069 is about 356.0947991656.

The spelling of 45154069 in words is "forty-five million, one hundred fifty-four thousand, sixty-nine".

Divisors: 1 347 130127 45154069