1142162580 has 96 divisors (see below), whose sum is σ = 3625372800. Its totient is φ = 266347008.

The previous prime is 1142162579. The next prime is 1142162591. The reversal of 1142162580 is 852612411.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23715 + ... + 53354.

It is an arithmetic number, because the mean of its divisors is an integer number (37764300).

Almost surely, 2^1142162580 is an apocalyptic number.

1142162580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142162580 is an abundant number, since it is smaller than the sum of its proper divisors (2483210220).

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

1142162580 is a wasteful number, since it uses less digits than its factorization.

1142162580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77113 (or 77111 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 1142162580 is about 33795.8959046805. The cubic root of 1142162580 is about 1045.3040727422.

Adding to 1142162580 its reverse (852612411), we get a palindrome (1994774991).

The spelling of 1142162580 in words is "one billion, one hundred forty-two million, one hundred sixty-two thousand, five hundred eighty".