1145051501523 has 32 divisors (see below), whose sum is σ = 1620979187520. Its totient is φ = 717972387840.

The previous prime is 1145051501501. The next prime is 1145051501579. The reversal of 1145051501523 is 3251051505411.

It is a happy number.

It is not a de Polignac number, because 1145051501523 - 2³² = 1140756534227 is a prime.

It is a super-2 number, since 2×1145051501523² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1145051501123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 658090 + ... + 1650207.

It is an arithmetic number, because the mean of its divisors is an integer number (50655599610).

Almost surely, 2^{1145051501523} is an apocalyptic number.

1145051501523 is a deficient number, since it is larger than the sum of its proper divisors (475927685997).

1145051501523 is a wasteful number, since it uses less digits than its factorization.

1145051501523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308487.

The product of its (nonzero) digits is 15000, while the sum is 33.

The spelling of 1145051501523 in words is "one trillion, one hundred forty-five billion, fifty-one million, five hundred one thousand, five hundred twenty-three".