1142405504 has 16 divisors (see below), whose sum is σ = 2275886220. Its totient is φ = 571202688.

The previous prime is 1142405489. The next prime is 1142405527. The reversal of 1142405504 is 4055042411.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4462394 + ... + 4462649.

Almost surely, 2^1142405504 is an apocalyptic number.

It is an amenable number.

1142405504 is a deficient number, since it is larger than the sum of its proper divisors (1133480716).

1142405504 is an frugal number, since it uses more digits than its factorization.

1142405504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8925057 (or 8925045 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1142405504 is about 33799.4897002899. The cubic root of 1142405504 is about 1045.3781752826.

Adding to 1142405504 its reverse (4055042411), we get a palindrome (5197447915).

The spelling of 1142405504 in words is "one billion, one hundred forty-two million, four hundred five thousand, five hundred four".