1142635604 has 48 divisors (see below), whose sum is σ = 2305195200. Its totient is φ = 490118400.

The previous prime is 1142635597. The next prime is 1142635631. The reversal of 1142635604 is 4065362411.

It is a super-2 number, since 2×1142635604² = 2611232247056889632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222344 + ... + 227424.

It is an arithmetic number, because the mean of its divisors is an integer number (48024900).

Almost surely, 2^1142635604 is an apocalyptic number.

It is an amenable number.

1142635604 is an abundant number, since it is smaller than the sum of its proper divisors (1162559596).

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

1142635604 is a wasteful number, since it uses less digits than its factorization.

1142635604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5384 (or 5382 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1142635604 is about 33802.8934264509. The cubic root of 1142635604 is about 1045.4483562500.

The spelling of 1142635604 in words is "one billion, one hundred forty-two million, six hundred thirty-five thousand, six hundred four".