1151852442 has 64 divisors (see below), whose sum is σ = 2691045504. Its totient is φ = 325416960.

The previous prime is 1151852437. The next prime is 1151852491. The reversal of 1151852442 is 2442581511.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43773 + ... + 64959.

It is an arithmetic number, because the mean of its divisors is an integer number (42047586).

Almost surely, 2^1151852442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1151852442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1345522752).

1151852442 is an abundant number, since it is smaller than the sum of its proper divisors (1539193062).

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

1151852442 is a wasteful number, since it uses less digits than its factorization.

1151852442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21263.

The product of its digits is 12800, while the sum is 33.

The square root of 1151852442 is about 33938.9516927085. The cubic root of 1151852442 is about 1048.2517975133.

The spelling of 1151852442 in words is "one billion, one hundred fifty-one million, eight hundred fifty-two thousand, four hundred forty-two".