1145525501894 has 4 divisors (see below), whose sum is σ = 1718288252844. Its totient is φ = 572762750946.

The previous prime is 1145525501837. The next prime is 1145525501903. The reversal of 1145525501894 is 4981055255411.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×1145525501894³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286381375472 + ... + 286381375475.

It is an arithmetic number, because the mean of its divisors is an integer number (429572063211).

Almost surely, 2^{1145525501894} is an apocalyptic number.

1145525501894 is a deficient number, since it is larger than the sum of its proper divisors (572762750950).

1145525501894 is an equidigital number, since it uses as much as digits as its factorization.

1145525501894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572762750949.

The product of its (nonzero) digits is 1440000, while the sum is 50.

The spelling of 1145525501894 in words is "one trillion, one hundred forty-five billion, five hundred twenty-five million, five hundred one thousand, eight hundred ninety-four".