7145137455 has 16 divisors (see below), whose sum is σ = 11801001984. Its totient is φ = 3687812640.

The previous prime is 7145137429. The next prime is 7145137477. The reversal of 7145137455 is 5547315417.

It is not a de Polignac number, because 7145137455 - 2²⁵ = 7111583023 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 7682479 + ... + 7683408.

It is an arithmetic number, because the mean of its divisors is an integer number (737562624).

Almost surely, 2^7145137455 is an apocalyptic number.

7145137455 is a deficient number, since it is larger than the sum of its proper divisors (4655864529).

7145137455 is a wasteful number, since it uses less digits than its factorization.

7145137455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15365926.

The product of its digits is 294000, while the sum is 42.

The square root of 7145137455 is about 84528.9149049010. The cubic root of 7145137455 is about 1926.0617029648.

The spelling of 7145137455 in words is "seven billion, one hundred forty-five million, one hundred thirty-seven thousand, four hundred fifty-five".