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145621514734141 is a prime number
BaseRepresentation
bin100001000111000100100110…
…101010000100101000111101
3201002121021120201222110100211
4201013010212222010220331
5123041330330232443031
61233413333401152421
742446543613105535
oct4107044652045075
9632537521873324
10145621514734141
11424438127a4516
12143ba51278b711
13633408588a684
1427d619445a4c5
1511c7e3a7a1bb1
hex847126a84a3d

145621514734141 has 2 divisors, whose sum is σ = 145621514734142. Its totient is φ = 145621514734140.

The previous prime is 145621514734057. The next prime is 145621514734193. The reversal of 145621514734141 is 141437415126541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144393748796025 + 1227765938116 = 12016395^2 + 1108046^2 .

It is a cyclic number.

It is not a de Polignac number, because 145621514734141 - 27 = 145621514734013 is a prime.

It is a super-2 number, since 2×1456215147341412 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145621514734841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72810757367070 + 72810757367071.

It is an arithmetic number, because the mean of its divisors is an integer number (72810757367071).

Almost surely, 2145621514734141 is an apocalyptic number.

It is an amenable number.

145621514734141 is a deficient number, since it is larger than the sum of its proper divisors (1).

145621514734141 is an equidigital number, since it uses as much as digits as its factorization.

145621514734141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1612800, while the sum is 49.

The spelling of 145621514734141 in words is "one hundred forty-five trillion, six hundred twenty-one billion, five hundred fourteen million, seven hundred thirty-four thousand, one hundred forty-one".