15145204040 has 16 divisors (see below), whose sum is σ = 34076709180. Its totient is φ = 6058081600.

The previous prime is 15145204031. The next prime is 15145204049. The reversal of 15145204040 is 4040254151.

15145204040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15145204031) and next prime (15145204049).

It can be written as a sum of positive squares in 2 ways, for example, as 13786986724 + 1358217316 = 117418^2 + 36854^2 .

It is not an unprimeable number, because it can be changed into a prime (15145204049) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 189315011 + ... + 189315090.

Almost surely, 2^15145204040 is an apocalyptic number.

15145204040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15145204040 is an abundant number, since it is smaller than the sum of its proper divisors (18931505140).

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

15145204040 is a wasteful number, since it uses less digits than its factorization.

15145204040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378630112 (or 378630108 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 15145204040 its reverse (4040254151), we get a palindrome (19185458191).

The spelling of 15145204040 in words is "fifteen billion, one hundred forty-five million, two hundred four thousand, forty".