1504044145 has 12 divisors (see below), whose sum is σ = 1917267804. Its totient is φ = 1132455680.

The previous prime is 1504044103. The next prime is 1504044149. The reversal of 1504044145 is 5414404051.

It can be written as a sum of positive squares in 6 ways, for example, as 435473424 + 1068570721 = 20868^2 + 32689^2 .

It is not a de Polignac number, because 1504044145 - 2²⁷ = 1369826417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1504044149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 518986 + ... + 521875.

It is an arithmetic number, because the mean of its divisors is an integer number (159772317).

Almost surely, 2^1504044145 is an apocalyptic number.

It is an amenable number.

1504044145 is a deficient number, since it is larger than the sum of its proper divisors (413223659).

1504044145 is a wasteful number, since it uses less digits than its factorization.

1504044145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040900 (or 1040883 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 1504044145 is about 38782.0080062908. The cubic root of 1504044145 is about 1145.7420728140.

Adding to 1504044145 its reverse (5414404051), we get a palindrome (6918448196).

The spelling of 1504044145 in words is "one billion, five hundred four million, forty-four thousand, one hundred forty-five".