145554611020 has 48 divisors (see below), whose sum is σ = 376202691648. Its totient is φ = 46065634560.

The previous prime is 145554611011. The next prime is 145554611021. The reversal of 145554611020 is 20116455541.

145554611020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×145554611020³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (145554611021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39985711 + ... + 39989350.

It is an arithmetic number, because the mean of its divisors is an integer number (7837556076).

Almost surely, 2^145554611020 is an apocalyptic number.

145554611020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145554611020 is an abundant number, since it is smaller than the sum of its proper divisors (230648080628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145554611020 is a wasteful number, since it uses less digits than its factorization.

145554611020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79975090 (or 79975088 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 145554611020 in words is "one hundred forty-five billion, five hundred fifty-four million, six hundred eleven thousand, twenty".