15143420405 has 8 divisors (see below), whose sum is σ = 18174262200. Its totient is φ = 12113297856.

The previous prime is 15143420377. The next prime is 15143420441. The reversal of 15143420405 is 50402434151.

It can be written as a sum of positive squares in 4 ways, for example, as 1001216164 + 14142204241 = 31642^2 + 118921^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 15143420405 - 2¹⁰ = 15143419381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132350 + ... + 218639.

It is an arithmetic number, because the mean of its divisors is an integer number (2271782775).

Almost surely, 2^15143420405 is an apocalyptic number.

It is an amenable number.

15143420405 is a deficient number, since it is larger than the sum of its proper divisors (3030841795).

15143420405 is an equidigital number, since it uses as much as digits as its factorization.

15143420405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359623.

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

Adding to 15143420405 its reverse (50402434151), we get a palindrome (65545854556).

The spelling of 15143420405 in words is "fifteen billion, one hundred forty-three million, four hundred twenty thousand, four hundred five".