145145534300 has 144 divisors (see below), whose sum is σ = 347855860800. Its totient is φ = 52240742400.

The previous prime is 145145534299. The next prime is 145145534309. The reversal of 145145534300 is 3435541541.

145145534300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145145534300² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145145534309) 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 47 ways as a sum of consecutive naturals, for example, 8205866 + ... + 8223534.

It is an arithmetic number, because the mean of its divisors is an integer number (2415665700).

Almost surely, 2^145145534300 is an apocalyptic number.

145145534300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145145534300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173927930400).

145145534300 is an abundant number, since it is smaller than the sum of its proper divisors (202710326500).

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

145145534300 is a wasteful number, since it uses less digits than its factorization.

145145534300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17856 (or 17849 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 145145534300 in words is "one hundred forty-five billion, one hundred forty-five million, five hundred thirty-four thousand, three hundred".