15145420604 has 24 divisors (see below), whose sum is σ = 28404343968. Its totient is φ = 7047691200.

The previous prime is 15145420603. The next prime is 15145420613. The reversal of 15145420604 is 40602454151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15145420603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2221247 + ... + 2228054.

It is an arithmetic number, because the mean of its divisors is an integer number (1183514332).

Almost surely, 2^15145420604 is an apocalyptic number.

It is an amenable number.

15145420604 is a deficient number, since it is larger than the sum of its proper divisors (13258923364).

15145420604 is a wasteful number, since it uses less digits than its factorization.

15145420604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4449365 (or 4449363 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 15145420604 its reverse (40602454151), we get a palindrome (55747874755).

The spelling of 15145420604 in words is "fifteen billion, one hundred forty-five million, four hundred twenty thousand, six hundred four".