15242234452 has 12 divisors (see below), whose sum is σ = 26676621216. Its totient is φ = 7620342680.

The previous prime is 15242234443. The next prime is 15242234453. The reversal of 15242234452 is 25443224251.

It is a super-2 number, since 2×15242234452² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15242234453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148174 + ... + 228997.

It is an arithmetic number, because the mean of its divisors is an integer number (2223051768).

Almost surely, 2^15242234452 is an apocalyptic number.

It is an amenable number.

15242234452 is a deficient number, since it is larger than the sum of its proper divisors (11434386764).

15242234452 is a wasteful number, since it uses less digits than its factorization.

15242234452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387278 (or 387276 counting only the distinct ones).

The product of its digits is 76800, while the sum is 34.

The spelling of 15242234452 in words is "fifteen billion, two hundred forty-two million, two hundred thirty-four thousand, four hundred fifty-two".