145484551 has 2 divisors, whose sum is σ = 145484552. Its totient is φ = 145484550.

The previous prime is 145484497. The next prime is 145484557. The reversal of 145484551 is 155484541.

It is a strong prime.

It is an emirp because it is prime and its reverse (155484541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145484551 - 2²¹ = 143387399 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145484551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145484557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72742275 + 72742276.

It is an arithmetic number, because the mean of its divisors is an integer number (72742276).

Almost surely, 2^145484551 is an apocalyptic number.

145484551 is a deficient number, since it is larger than the sum of its proper divisors (1).

145484551 is an equidigital number, since it uses as much as digits as its factorization.

145484551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64000, while the sum is 37.

The square root of 145484551 is about 12061.6976831622. The cubic root of 145484551 is about 525.9433391814.

The spelling of 145484551 in words is "one hundred forty-five million, four hundred eighty-four thousand, five hundred fifty-one".