145820504 has 16 divisors (see below), whose sum is σ = 274206600. Its totient is φ = 72698752.

The previous prime is 145820453. The next prime is 145820531. The reversal of 145820504 is 405028541.

It is a pancake number, because a pancake can be divided into 145820504 parts by 17077 straight cuts.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23489 + ... + 29040.

Almost surely, 2^145820504 is an apocalyptic number.

It is an amenable number.

145820504 is a deficient number, since it is larger than the sum of its proper divisors (128386096).

145820504 is a wasteful number, since it uses less digits than its factorization.

145820504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52882 (or 52878 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 145820504 is about 12075.6160919433. The cubic root of 145820504 is about 526.3478641744.

The spelling of 145820504 in words is "one hundred forty-five million, eight hundred twenty thousand, five hundred four".