1154345322 has 32 divisors (see below), whose sum is σ = 2632537152. Its totient is φ = 334289664.

The previous prime is 1154345293. The next prime is 1154345327. The reversal of 1154345322 is 2235434511.

It is a self number, because there is not a number n which added to its sum of digits gives 1154345322.

It is not an unprimeable number, because it can be changed into a prime (1154345327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433948 + ... + 436599.

It is an arithmetic number, because the mean of its divisors is an integer number (82266786).

Almost surely, 2^1154345322 is an apocalyptic number.

1154345322 is an abundant number, since it is smaller than the sum of its proper divisors (1478191830).

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

1154345322 is a wasteful number, since it uses less digits than its factorization.

1154345322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870582.

The product of its digits is 14400, while the sum is 30.

The square root of 1154345322 is about 33975.6577861268. The cubic root of 1154345322 is about 1049.0074738888.

Adding to 1154345322 its reverse (2235434511), we get a palindrome (3389779833).

It can be divided in two parts, 11543 and 45322, that added together give a palindrome (56865).

The spelling of 1154345322 in words is "one billion, one hundred fifty-four million, three hundred forty-five thousand, three hundred twenty-two".