15400443245 has 8 divisors (see below), whose sum is σ = 20160580320. Its totient is φ = 11200322320.

The previous prime is 15400443211. The next prime is 15400443269. The reversal of 15400443245 is 54234400451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15400443245 - 2⁶ = 15400443181 is a prime.

It is a super-2 number, since 2×15400443245² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 140003975 + ... + 140004084.

It is an arithmetic number, because the mean of its divisors is an integer number (2520072540).

Almost surely, 2^15400443245 is an apocalyptic number.

It is an amenable number.

15400443245 is a deficient number, since it is larger than the sum of its proper divisors (4760137075).

15400443245 is a wasteful number, since it uses less digits than its factorization.

15400443245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280008075.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 15400443245 its reverse (54234400451), we get a palindrome (69634843696).

The spelling of 15400443245 in words is "fifteen billion, four hundred million, four hundred forty-three thousand, two hundred forty-five".