1145126742 has 24 divisors (see below), whose sum is σ = 2308624056. Its totient is φ = 378671328.

The previous prime is 1145126729. The next prime is 1145126747. The reversal of 1145126742 is 2476215411.

It is a super-2 number, since 2×1145126742² = 2622630510487069128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145126747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90858 + ... + 102690.

It is an arithmetic number, because the mean of its divisors is an integer number (96192669).

Almost surely, 2^1145126742 is an apocalyptic number.

1145126742 is an abundant number, since it is smaller than the sum of its proper divisors (1163497314).

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

1145126742 is a wasteful number, since it uses less digits than its factorization.

1145126742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12092 (or 11965 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 1145126742 is about 33839.7213641011. The cubic root of 1145126742 is about 1046.2075559349.

The spelling of 1145126742 in words is "one billion, one hundred forty-five million, one hundred twenty-six thousand, seven hundred forty-two".