145665054548 has 24 divisors (see below), whose sum is σ = 274806588672. Its totient is φ = 67160477664.

The previous prime is 145665054547. The next prime is 145665054553. The reversal of 145665054548 is 845450566541.

It is a self number, because there is not a number n which added to its sum of digits gives 145665054548.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145665054547) 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 7 ways as a sum of consecutive naturals, for example, 1398140 + ... + 1498707.

It is an arithmetic number, because the mean of its divisors is an integer number (11450274528).

Almost surely, 2^145665054548 is an apocalyptic number.

It is an amenable number.

145665054548 is a deficient number, since it is larger than the sum of its proper divisors (129141534124).

145665054548 is a wasteful number, since it uses less digits than its factorization.

145665054548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897831 (or 2897829 counting only the distinct ones).

The product of its (nonzero) digits is 11520000, while the sum is 53.

The spelling of 145665054548 in words is "one hundred forty-five billion, six hundred sixty-five million, fifty-four thousand, five hundred forty-eight".