1142404546 has 16 divisors (see below), whose sum is σ = 1733223744. Its totient is φ = 564685744.

The previous prime is 1142404541. The next prime is 1142404547. The reversal of 1142404546 is 6454042411.

It is a super-2 number, since 2×1142404546² = 2610176293442932232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1142404541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102336 + ... + 112948.

It is an arithmetic number, because the mean of its divisors is an integer number (108326484).

Almost surely, 2^1142404546 is an apocalyptic number.

1142404546 is a deficient number, since it is larger than the sum of its proper divisors (590819198).

1142404546 is a wasteful number, since it uses less digits than its factorization.

1142404546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11225.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 1142404546 is about 33799.4755284753. The cubic root of 1142404546 is about 1045.3778830710.

Adding to 1142404546 its reverse (6454042411), we get a palindrome (7596446957).

The spelling of 1142404546 in words is "one billion, one hundred forty-two million, four hundred four thousand, five hundred forty-six".