1142462741 has 4 divisors (see below), whose sum is σ = 1305671712. Its totient is φ = 979253772.

The previous prime is 1142462731. The next prime is 1142462759. The reversal of 1142462741 is 1472642411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1472642411 = 28211 ⋅52201.

It is not a de Polignac number, because 1142462741 - 2¹⁸ = 1142200597 is a prime.

It is a super-2 number, since 2×1142462741² = 2610442229146466162, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1142462698 and 1142462707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142462731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81604475 + ... + 81604488.

It is an arithmetic number, because the mean of its divisors is an integer number (326417928).

Almost surely, 2^1142462741 is an apocalyptic number.

It is an amenable number.

1142462741 is a deficient number, since it is larger than the sum of its proper divisors (163208971).

1142462741 is an equidigital number, since it uses as much as digits as its factorization.

1142462741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163208970.

The product of its digits is 10752, while the sum is 32.

The square root of 1142462741 is about 33800.3364036514. The cubic root of 1142462741 is about 1045.3956335643.

The spelling of 1142462741 in words is "one billion, one hundred forty-two million, four hundred sixty-two thousand, seven hundred forty-one".