15045423212 has 6 divisors (see below), whose sum is σ = 26329490628. Its totient is φ = 7522711604.

The previous prime is 15045423203. The next prime is 15045423221. The reversal of 15045423212 is 21232454051.

It is an interprime number because it is at equal distance from previous prime (15045423203) and next prime (15045423221).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1880677898 + ... + 1880677905.

It is an arithmetic number, because the mean of its divisors is an integer number (4388248438).

Almost surely, 2^15045423212 is an apocalyptic number.

It is an amenable number.

15045423212 is a deficient number, since it is larger than the sum of its proper divisors (11284067416).

15045423212 is a wasteful number, since it uses less digits than its factorization.

15045423212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3761355807 (or 3761355805 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 15045423212 its reverse (21232454051), we get a palindrome (36277877263).

The spelling of 15045423212 in words is "fifteen billion, forty-five million, four hundred twenty-three thousand, two hundred twelve".