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148405456145 = 5238112465809
BaseRepresentation
bin1000101000110110100…
…1111000110100010001
3112012001122001021220202
42022031221320310101
54412413244044040
6152102043544545
713502424364232
oct2121551706421
9465048037822
10148405456145
1157a36013811
122491882b155
1310cc1106c9b
14727babb089
153cd8b0c015
hex228da78d11

148405456145 has 8 divisors (see below), whose sum is σ = 178161356520. Its totient is φ = 118674492160.

The previous prime is 148405456141. The next prime is 148405456169. The reversal of 148405456145 is 541654504841.

It can be written as a sum of positive squares in 4 ways, for example, as 2719726801 + 145685729344 = 52151^2 + 381688^2 .

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

It is not a de Polignac number, because 148405456145 - 22 = 148405456141 is a prime.

It is a super-2 number, since 2×1484054561452 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 148405456145.

It is not an unprimeable number, because it can be changed into a prime (148405456141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6221000 + ... + 6244809.

It is an arithmetic number, because the mean of its divisors is an integer number (22270169565).

Almost surely, 2148405456145 is an apocalyptic number.

It is an amenable number.

148405456145 is a deficient number, since it is larger than the sum of its proper divisors (29755900375).

148405456145 is a wasteful number, since it uses less digits than its factorization.

148405456145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12468195.

The product of its (nonzero) digits is 1536000, while the sum is 47.

The spelling of 148405456145 in words is "one hundred forty-eight billion, four hundred five million, four hundred fifty-six thousand, one hundred forty-five".

Divisors: 1 5 2381 11905 12465809 62329045 29681091229 148405456145