1142073454 has 32 divisors (see below), whose sum is σ = 1766793600. Its totient is φ = 553512960.

The previous prime is 1142073431. The next prime is 1142073469. The reversal of 1142073454 is 4543702411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3388774 + ... + 3389110.

It is an arithmetic number, because the mean of its divisors is an integer number (55212300).

Almost surely, 2^1142073454 is an apocalyptic number.

1142073454 is a deficient number, since it is larger than the sum of its proper divisors (624720146).

1142073454 is a wasteful number, since it uses less digits than its factorization.

1142073454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 1142073454 is about 33794.5772868962. The cubic root of 1142073454 is about 1045.2768827444.

Adding to 1142073454 its reverse (4543702411), we get a palindrome (5685775865).

The spelling of 1142073454 in words is "one billion, one hundred forty-two million, seventy-three thousand, four hundred fifty-four".