9155274242 has 8 divisors (see below), whose sum is σ = 13748466576. Its totient is φ = 4572452052.

The previous prime is 9155274221. The next prime is 9155274259. The reversal of 9155274242 is 2424725519.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 9155274242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2590328 + ... + 2593859.

It is an arithmetic number, because the mean of its divisors is an integer number (1718558322).

Almost surely, 2^9155274242 is an apocalyptic number.

9155274242 is a deficient number, since it is larger than the sum of its proper divisors (4593192334).

9155274242 is a wasteful number, since it uses less digits than its factorization.

9155274242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5185072.

The product of its digits is 201600, while the sum is 41.

The square root of 9155274242 is about 95683.1972814454. The cubic root of 9155274242 is about 2091.9780302828.

The spelling of 9155274242 in words is "nine billion, one hundred fifty-five million, two hundred seventy-four thousand, two hundred forty-two".