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455540045 = 5448320323
BaseRepresentation
bin11011001001101…
…111110101001101
31011202011211110112
4123021233311031
51413104240140
6113111445405
714201012042
oct3311576515
91152154415
10455540045
1121415aa84
12108686865
13734b952c
14447011c9
1529ed4c65
hex1b26fd4d

455540045 has 8 divisors (see below), whose sum is σ = 546796896. Its totient is φ = 364332816.

The previous prime is 455540039. The next prime is 455540069. The reversal of 455540045 is 540045554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 455540045 - 220 = 454491469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 455539993 and 455540020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12254 + ... + 32576.

It is an arithmetic number, because the mean of its divisors is an integer number (68349612).

Almost surely, 2455540045 is an apocalyptic number.

It is an amenable number.

455540045 is a deficient number, since it is larger than the sum of its proper divisors (91256851).

455540045 is a wasteful number, since it uses less digits than its factorization.

455540045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24811.

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 455540045 is about 21343.3841037451. The cubic root of 455540045 is about 769.4413471859.

Adding to 455540045 its reverse (540045554), we get a palindrome (995585599).

The spelling of 455540045 in words is "four hundred fifty-five million, five hundred forty thousand, forty-five".

Divisors: 1 5 4483 20323 22415 101615 91108009 455540045