15054543442 has 4 divisors (see below), whose sum is σ = 22581815166. Its totient is φ = 7527271720.

The previous prime is 15054543437. The next prime is 15054543451. The reversal of 15054543442 is 24434545051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8407239481 + 6647303961 = 91691^2 + 81531^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3763635859 + ... + 3763635862.

Almost surely, 2^15054543442 is an apocalyptic number.

15054543442 is a deficient number, since it is larger than the sum of its proper divisors (7527271724).

15054543442 is an equidigital number, since it uses as much as digits as its factorization.

15054543442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7527271723.

The product of its (nonzero) digits is 192000, while the sum is 37.

The spelling of 15054543442 in words is "fifteen billion, fifty-four million, five hundred forty-three thousand, four hundred forty-two".