1142350434 has 48 divisors (see below), whose sum is σ = 2569432320. Its totient is φ = 366409440.

The previous prime is 1142350423. The next prime is 1142350439. The reversal of 1142350434 is 4340532411.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1142350398 and 1142350407.

It is not an unprimeable number, because it can be changed into a prime (1142350439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94164 + ... + 105600.

It is an arithmetic number, because the mean of its divisors is an integer number (53529840).

Almost surely, 2^1142350434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142350434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1284716160).

1142350434 is an abundant number, since it is smaller than the sum of its proper divisors (1427081886).

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

1142350434 is a wasteful number, since it uses less digits than its factorization.

1142350434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11655 (or 11652 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1142350434 is about 33798.6750332021. The cubic root of 1142350434 is about 1045.3613774232.

Adding to 1142350434 its reverse (4340532411), we get a palindrome (5482882845).

The spelling of 1142350434 in words is "one billion, one hundred forty-two million, three hundred fifty thousand, four hundred thirty-four".