145500540 has 48 divisors (see below), whose sum is σ = 421454880. Its totient is φ = 37461760.

The previous prime is 145500527. The next prime is 145500559. The reversal of 145500540 is 45005541.

It is a self number, because there is not a number n which added to its sum of digits gives 145500540.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40071 + ... + 43550.

It is an arithmetic number, because the mean of its divisors is an integer number (8780310).

Almost surely, 2^145500540 is an apocalyptic number.

145500540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145500540 is an abundant number, since it is smaller than the sum of its proper divisors (275954340).

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

145500540 is a wasteful number, since it uses less digits than its factorization.

145500540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83662 (or 83660 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 145500540 is about 12062.3604655142. The cubic root of 145500540 is about 525.9626058320.

The spelling of 145500540 in words is "one hundred forty-five million, five hundred thousand, five hundred forty".