1145124742 has 8 divisors (see below), whose sum is σ = 1718634816. Its totient is φ = 572246472.

The previous prime is 1145124727. The next prime is 1145124751. The reversal of 1145124742 is 2474215411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1145124742² = 2622621349481133128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153393 + ... + 160684.

It is an arithmetic number, because the mean of its divisors is an integer number (214829352).

Almost surely, 2^1145124742 is an apocalyptic number.

1145124742 is a deficient number, since it is larger than the sum of its proper divisors (573510074).

1145124742 is a wasteful number, since it uses less digits than its factorization.

1145124742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315902.

The product of its digits is 8960, while the sum is 31.

The square root of 1145124742 is about 33839.6918130174. The cubic root of 1145124742 is about 1046.2069468563.

The spelling of 1145124742 in words is "one billion, one hundred forty-five million, one hundred twenty-four thousand, seven hundred forty-two".