145051451 has 2 divisors, whose sum is σ = 145051452. Its totient is φ = 145051450.

The previous prime is 145051391. The next prime is 145051457. The reversal of 145051451 is 154150541.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145051451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145051451.

It is not a weakly prime, because it can be changed into another prime (145051457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72525725 + 72525726.

It is an arithmetic number, because the mean of its divisors is an integer number (72525726).

Almost surely, 2^145051451 is an apocalyptic number.

145051451 is a deficient number, since it is larger than the sum of its proper divisors (1).

145051451 is an equidigital number, since it uses as much as digits as its factorization.

145051451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 145051451 is about 12043.7307758020. The cubic root of 145051451 is about 525.4209183723.

The spelling of 145051451 in words is "one hundred forty-five million, fifty-one thousand, four hundred fifty-one".