145052504 has 8 divisors (see below), whose sum is σ = 271973460. Its totient is φ = 72526248.

The previous prime is 145052497. The next prime is 145052507. The reversal of 145052504 is 405250541.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145052507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9065774 + ... + 9065789.

Almost surely, 2^145052504 is an apocalyptic number.

It is an amenable number.

145052504 is a deficient number, since it is larger than the sum of its proper divisors (126920956).

145052504 is a wasteful number, since it uses less digits than its factorization.

145052504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18131569 (or 18131565 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 145052504 is about 12043.7744914126. The cubic root of 145052504 is about 525.4221897991.

The spelling of 145052504 in words is "one hundred forty-five million, fifty-two thousand, five hundred four".