1142007454 has 16 divisors (see below), whose sum is σ = 2042846208. Its totient is φ = 468151992.

The previous prime is 1142007439. The next prime is 1142007491. The reversal of 1142007454 is 4547002411.

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 7 ways as a sum of consecutive naturals, for example, 1772982 + ... + 1773625.

It is an arithmetic number, because the mean of its divisors is an integer number (127677888).

Almost surely, 2^1142007454 is an apocalyptic number.

1142007454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1142007454 is a deficient number, since it is larger than the sum of its proper divisors (900838754).

1142007454 is a wasteful number, since it uses less digits than its factorization.

1142007454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3546639.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 1142007454 is about 33793.6007847640. The cubic root of 1142007454 is about 1045.2567469692.

Adding to 1142007454 its reverse (4547002411), we get a palindrome (5689009865).

The spelling of 1142007454 in words is "one billion, one hundred forty-two million, seven thousand, four hundred fifty-four".