145453241552 has 20 divisors (see below), whose sum is σ = 287132933700. Its totient is φ = 71354419968.

The previous prime is 145453241543. The next prime is 145453241569. The reversal of 145453241552 is 255142354541.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 88104486976 + 57348754576 = 296824^2 + 239476^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85761677 + ... + 85763372.

It is an arithmetic number, because the mean of its divisors is an integer number (14356646685).

Almost surely, 2^145453241552 is an apocalyptic number.

It is an amenable number.

145453241552 is a deficient number, since it is larger than the sum of its proper divisors (141679692148).

145453241552 is a wasteful number, since it uses less digits than its factorization.

145453241552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171525110 (or 171525104 counting only the distinct ones).

The product of its digits is 480000, while the sum is 41.

The spelling of 145453241552 in words is "one hundred forty-five billion, four hundred fifty-three million, two hundred forty-one thousand, five hundred fifty-two".