15149304645 has 16 divisors (see below), whose sum is σ = 24242198400. Its totient is φ = 8078525504.

The previous prime is 15149304629. The next prime is 15149304689. The reversal of 15149304645 is 54640394151.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 15149304645 - 2⁴ = 15149304629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15149304597 and 15149304606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51256 + ... + 181454.

It is an arithmetic number, because the mean of its divisors is an integer number (1515137400).

Almost surely, 2^15149304645 is an apocalyptic number.

15149304645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15149304645 is a deficient number, since it is larger than the sum of its proper divisors (9092893755).

15149304645 is a wasteful number, since it uses less digits than its factorization.

15149304645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137964.

The product of its (nonzero) digits is 259200, while the sum is 42.

Adding to 15149304645 its reverse (54640394151), we get a palindrome (69789698796).

The spelling of 15149304645 in words is "fifteen billion, one hundred forty-nine million, three hundred four thousand, six hundred forty-five".