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5445885445 = 5711131088089
BaseRepresentation
bin1010001001001100…
…11001111000000101
3112001112101122101221
411010212121320011
542123121313240
62300220120341
7251645156020
oct50446317005
915045348357
105445885445
112345073380
12107b9960b1
1368a347830
143993ac1b7
1521d180a4a
hex144999e05

5445885445 has 32 divisors (see below), whose sum is σ = 8774357760. Its totient is φ = 3133693440.

The previous prime is 5445885433. The next prime is 5445885449.

5445885445 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5445885445 - 221 = 5443788293 is a prime.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 5445885392 and 5445885401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5445885449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 539040 + ... + 549049.

It is an arithmetic number, because the mean of its divisors is an integer number (274198680).

Almost surely, 25445885445 is an apocalyptic number.

5445885445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5445885445 is a deficient number, since it is larger than the sum of its proper divisors (3328472315).

5445885445 is a wasteful number, since it uses less digits than its factorization.

5445885445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088125.

The product of its digits is 10240000, while the sum is 52.

The square root of 5445885445 is about 73796.2427566607. The cubic root of 5445885445 is about 1759.3658878030.

The spelling of 5445885445 in words is "five billion, four hundred forty-five million, eight hundred eighty-five thousand, four hundred forty-five".

Divisors: 1 5 7 11 13 35 55 65 77 91 143 385 455 715 1001 5005 1088089 5440445 7616623 11968979 14145157 38083115 59844895 70725785 83782853 99016099 155596727 418914265 495080495 777983635 1089177089 5445885445