145552154533 has 2 divisors, whose sum is σ = 145552154534. Its totient is φ = 145552154532.

The previous prime is 145552154437. The next prime is 145552154543. The reversal of 145552154533 is 335451255541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124851275649 + 20700878884 = 353343^2 + 143878^2 .

It is a cyclic number.

It is not a de Polignac number, because 145552154533 - 2²¹ = 145550057381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145552154533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145552154543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72776077266 + 72776077267.

It is an arithmetic number, because the mean of its divisors is an integer number (72776077267).

Almost surely, 2^145552154533 is an apocalyptic number.

It is an amenable number.

145552154533 is a deficient number, since it is larger than the sum of its proper divisors (1).

145552154533 is an equidigital number, since it uses as much as digits as its factorization.

145552154533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 900000, while the sum is 43.

The spelling of 145552154533 in words is "one hundred forty-five billion, five hundred fifty-two million, one hundred fifty-four thousand, five hundred thirty-three".