145247553421744 has 20 divisors (see below), whose sum is σ = 282304885978224. Its totient is φ = 72394679620928.

The previous prime is 145247553421741. The next prime is 145247553421753. The reversal of 145247553421744 is 447124355742541.

It is not an unprimeable number, because it can be changed into a prime (145247553421741) by changing a digit.

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, 14318562892 + ... + 14318573035.

Almost surely, 2^{145247553421744} is an apocalyptic number.

It is an amenable number.

145247553421744 is a deficient number, since it is larger than the sum of its proper divisors (137057332556480).

145247553421744 is a wasteful number, since it uses less digits than its factorization.

145247553421744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28637136252 (or 28637136246 counting only the distinct ones).

The product of its digits is 75264000, while the sum is 58.

The spelling of 145247553421744 in words is "one hundred forty-five trillion, two hundred forty-seven billion, five hundred fifty-three million, four hundred twenty-one thousand, seven hundred forty-four".