15242022445 has 16 divisors (see below), whose sum is σ = 20177810352. Its totient is φ = 10981117440.

The previous prime is 15242022427. The next prime is 15242022451. The reversal of 15242022445 is 54422024251.

It can be written as a sum of positive squares in 8 ways, for example, as 9324412969 + 5917609476 = 96563^2 + 76926^2 .

It is not a de Polignac number, because 15242022445 - 2¹³ = 15242014253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2857002 + ... + 2862331.

It is an arithmetic number, because the mean of its divisors is an integer number (1261113147).

Almost surely, 2^15242022445 is an apocalyptic number.

It is an amenable number.

15242022445 is a deficient number, since it is larger than the sum of its proper divisors (4935787907).

15242022445 is a wasteful number, since it uses less digits than its factorization.

15242022445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5719392.

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 15242022445 its reverse (54422024251), we get a palindrome (69664046696).

The spelling of 15242022445 in words is "fifteen billion, two hundred forty-two million, twenty-two thousand, four hundred forty-five".