15140242202 has 4 divisors (see below), whose sum is σ = 22710363306. Its totient is φ = 7570121100.

The previous prime is 15140242189. The next prime is 15140242213. The reversal of 15140242202 is 20224204151.

15140242202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20224204151 = 461 ⋅43870291.

It can be written as a sum of positive squares in only one way, i.e., 14059082041 + 1081160161 = 118571^2 + 32881^2 .

It is a super-3 number, since 3×15140242202³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3785060549 + ... + 3785060552.

Almost surely, 2^15140242202 is an apocalyptic number.

15140242202 is a deficient number, since it is larger than the sum of its proper divisors (7570121104).

15140242202 is an equidigital number, since it uses as much as digits as its factorization.

15140242202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7570121103.

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 15140242202 its reverse (20224204151), we get a palindrome (35364446353).

The spelling of 15140242202 in words is "fifteen billion, one hundred forty million, two hundred forty-two thousand, two hundred two".