145768451 has 2 divisors, whose sum is σ = 145768452. Its totient is φ = 145768450.

The previous prime is 145768429. The next prime is 145768459. The reversal of 145768451 is 154867541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145768451 - 2²⁶ = 78659587 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 145768399 and 145768408.

It is not a weakly prime, because it can be changed into another prime (145768459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72884225 + 72884226.

It is an arithmetic number, because the mean of its divisors is an integer number (72884226).

Almost surely, 2^145768451 is an apocalyptic number.

145768451 is a deficient number, since it is larger than the sum of its proper divisors (1).

145768451 is an equidigital number, since it uses as much as digits as its factorization.

145768451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 41.

The square root of 145768451 is about 12073.4606058081. The cubic root of 145768451 is about 526.2852272445.

The spelling of 145768451 in words is "one hundred forty-five million, seven hundred sixty-eight thousand, four hundred fifty-one".