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145288141 is a prime number
BaseRepresentation
bin10001010100011…
…10101111001101
3101010101101212021
420222032233031
5244143210031
622230010141
73412633405
oct1052165715
9333341767
10145288141
1175014149
12407a6951
132413c31b
141541d805
15cb4d511
hex8a8ebcd

145288141 has 2 divisors, whose sum is σ = 145288142. Its totient is φ = 145288140.

The previous prime is 145288063. The next prime is 145288151. The reversal of 145288141 is 141882541.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145082025 + 206116 = 12045^2 + 454^2 .

It is an emirp because it is prime and its reverse (141882541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145288141 - 213 = 145279949 is a prime.

It is a super-2 number, since 2×1452881412 = 42217287830471762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145288097 and 145288106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145288151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72644070 + 72644071.

It is an arithmetic number, because the mean of its divisors is an integer number (72644071).

Almost surely, 2145288141 is an apocalyptic number.

It is an amenable number.

145288141 is a deficient number, since it is larger than the sum of its proper divisors (1).

145288141 is an equidigital number, since it uses as much as digits as its factorization.

145288141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10240, while the sum is 34.

The square root of 145288141 is about 12053.5530446421. The cubic root of 145288141 is about 525.7065510321.

The spelling of 145288141 in words is "one hundred forty-five million, two hundred eighty-eight thousand, one hundred forty-one".