1142742652 has 24 divisors (see below), whose sum is σ = 2169084960. Its totient is φ = 524643840.

The previous prime is 1142742647. The next prime is 1142742683. The reversal of 1142742652 is 2562472411.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202152 + ... + 207727.

It is an arithmetic number, because the mean of its divisors is an integer number (90378540).

Almost surely, 2^1142742652 is an apocalyptic number.

It is an amenable number.

1142742652 is a deficient number, since it is larger than the sum of its proper divisors (1026342308).

1142742652 is a wasteful number, since it uses less digits than its factorization.

1142742652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409941 (or 409939 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 1142742652 is about 33804.4768041158. The cubic root of 1142742652 is about 1045.4810028962.

The spelling of 1142742652 in words is "one billion, one hundred forty-two million, seven hundred forty-two thousand, six hundred fifty-two".