1142345032 has 16 divisors (see below), whose sum is σ = 2215755900. Its totient is φ = 551476800.

The previous prime is 1142345023. The next prime is 1142345053. The reversal of 1142345032 is 2305432411.

It can be written as a sum of positive squares in 2 ways, for example, as 1115159236 + 27185796 = 33394^2 + 5214^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1142344988 and 1142345006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2461719 + ... + 2462182.

Almost surely, 2^1142345032 is an apocalyptic number.

It is an amenable number.

1142345032 is a deficient number, since it is larger than the sum of its proper divisors (1073410868).

1142345032 is a wasteful number, since it uses less digits than its factorization.

1142345032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4923936 (or 4923932 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1142345032 is about 33798.5951187324. The cubic root of 1142345032 is about 1045.3597296361.

Adding to 1142345032 its reverse (2305432411), we get a palindrome (3447777443).

The spelling of 1142345032 in words is "one billion, one hundred forty-two million, three hundred forty-five thousand, thirty-two".