7149161442 has 8 divisors (see below), whose sum is σ = 14298322896. Its totient is φ = 2383053812.

The previous prime is 7149161413. The next prime is 7149161443. The reversal of 7149161442 is 2441619417.

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

7149161442 is an admirable number.

It is a super-2 number, since 2×7149161442² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7149161442.

It is not an unprimeable number, because it can be changed into a prime (7149161443) 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, 595763448 + ... + 595763459.

It is an arithmetic number, because the mean of its divisors is an integer number (1787290362).

Almost surely, 2^7149161442 is an apocalyptic number.

7149161442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7149161442 is a wasteful number, since it uses less digits than its factorization.

7149161442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191526912.

The product of its digits is 48384, while the sum is 39.

The square root of 7149161442 is about 84552.7139836445. The cubic root of 7149161442 is about 1926.4232072184.

The spelling of 7149161442 in words is "seven billion, one hundred forty-nine million, one hundred sixty-one thousand, four hundred forty-two".