1145751857438 has 16 divisors (see below), whose sum is σ = 1732567079040. Its totient is φ = 568248047136.

The previous prime is 1145751857401. The next prime is 1145751857449. The reversal of 1145751857438 is 8347581575411.

It is a super-3 number, since 3×1145751857438³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4513553 + ... + 4760636.

It is an arithmetic number, because the mean of its divisors is an integer number (108285442440).

Almost surely, 2^{1145751857438} is an apocalyptic number.

1145751857438 is a deficient number, since it is larger than the sum of its proper divisors (586815221602).

1145751857438 is a wasteful number, since it uses less digits than its factorization.

1145751857438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9274691.

The product of its digits is 18816000, while the sum is 59.

The spelling of 1145751857438 in words is "one trillion, one hundred forty-five billion, seven hundred fifty-one million, eight hundred fifty-seven thousand, four hundred thirty-eight".