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145214413505245 = 578774730881691
BaseRepresentation
bin100001000001001001011101…
…100010001000001011011101
3201001011100210011012021122101
4201001021131202020023131
5123013143104324131440
61232502325225045101
742405252352544350
oct4101113542101335
9631140704167571
10145214413505245
11422a70a5767807
1214353639326791
136304877c92456
1427c05b510a297
1511bc56074569a
hex84125d8882dd

145214413505245 has 16 divisors (see below), whose sum is σ = 199378278027648. Its totient is φ = 99462056650560.

The previous prime is 145214413505219. The next prime is 145214413505251. The reversal of 145214413505245 is 542505314412541.

It is not a de Polignac number, because 145214413505245 - 211 = 145214413503197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145214413505195 and 145214413505204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2365410151 + ... + 2365471540.

It is an arithmetic number, because the mean of its divisors is an integer number (12461142376728).

Almost surely, 2145214413505245 is an apocalyptic number.

It is an amenable number.

145214413505245 is a deficient number, since it is larger than the sum of its proper divisors (54163864522403).

145214413505245 is an equidigital number, since it uses as much as digits as its factorization.

145214413505245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4730882580.

The product of its (nonzero) digits is 1920000, while the sum is 46.

Adding to 145214413505245 its reverse (542505314412541), we get a palindrome (687719727917786).

The spelling of 145214413505245 in words is "one hundred forty-five trillion, two hundred fourteen billion, four hundred thirteen million, five hundred five thousand, two hundred forty-five".

Divisors: 1 5 7 35 877 4385 6139 30695 4730881691 23654408455 33116171837 165580859185 4148983243007 20744916215035 29042882701049 145214413505245