9047155242 has 16 divisors (see below), whose sum is σ = 18158706432. Its totient is φ = 3004985760.

The previous prime is 9047155241. The next prime is 9047155297. The reversal of 9047155242 is 2425517409.

It is a self number, because there is not a number n which added to its sum of digits gives 9047155242.

It is not an unprimeable number, because it can be changed into a prime (9047155241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2681338 + ... + 2684709.

It is an arithmetic number, because the mean of its divisors is an integer number (1134919152).

Almost surely, 2^9047155242 is an apocalyptic number.

9047155242 is an abundant number, since it is smaller than the sum of its proper divisors (9111551190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9047155242 is a wasteful number, since it uses less digits than its factorization.

9047155242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5366333.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 9047155242 is about 95116.5350609451. The cubic root of 9047155242 is about 2083.7103432449.

The spelling of 9047155242 in words is "nine billion, forty-seven million, one hundred fifty-five thousand, two hundred forty-two".