145244154500 has 48 divisors (see below), whose sum is σ = 320020554672. Its totient is φ = 57583500800.

The previous prime is 145244154491. The next prime is 145244154521. The reversal of 145244154500 is 5451442541.

It can be written as a sum of positive squares in 8 ways, for example, as 120442314304 + 24801840196 = 347048^2 + 157486^2 .

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1228847 + ... + 1341846.

It is an arithmetic number, because the mean of its divisors is an integer number (6667094889).

Almost surely, 2^145244154500 is an apocalyptic number.

145244154500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145244154500 is an abundant number, since it is smaller than the sum of its proper divisors (174776400172).

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

145244154500 is a wasteful number, since it uses less digits than its factorization.

145244154500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2570825 (or 2570813 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

The spelling of 145244154500 in words is "one hundred forty-five billion, two hundred forty-four million, one hundred fifty-four thousand, five hundred".