145542104521 has 8 divisors (see below), whose sum is σ = 160023389184. Its totient is φ = 131269183920.

The previous prime is 145542104489. The next prime is 145542104527. The reversal of 145542104521 is 125401245541.

145542104521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145542104521 - 2⁵ = 145542104489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145542104527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52089550 + ... + 52092343.

It is an arithmetic number, because the mean of its divisors is an integer number (20002923648).

Almost surely, 2^145542104521 is an apocalyptic number.

145542104521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

145542104521 is a deficient number, since it is larger than the sum of its proper divisors (14481284663).

145542104521 is a wasteful number, since it uses less digits than its factorization.

145542104521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104182031.

The product of its (nonzero) digits is 32000, while the sum is 34.

The spelling of 145542104521 in words is "one hundred forty-five billion, five hundred forty-two million, one hundred four thousand, five hundred twenty-one".