15230100442 has 4 divisors (see below), whose sum is σ = 22845150666. Its totient is φ = 7615050220.

The previous prime is 15230100419. The next prime is 15230100451. The reversal of 15230100442 is 24400103251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24400103251 = 47 ⋅519151133.

It can be written as a sum of positive squares in only one way, i.e., 13733261721 + 1496838721 = 117189^2 + 38689^2 .

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 as a sum of consecutive naturals, namely, 3807525109 + ... + 3807525112.

Almost surely, 2^15230100442 is an apocalyptic number.

15230100442 is a deficient number, since it is larger than the sum of its proper divisors (7615050224).

15230100442 is an equidigital number, since it uses as much as digits as its factorization.

15230100442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7615050223.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 15230100442 its reverse (24400103251), we get a palindrome (39630203693).

The spelling of 15230100442 in words is "fifteen billion, two hundred thirty million, one hundred thousand, four hundred forty-two".