7145431055 has 16 divisors (see below), whose sum is σ = 9829069824. Its totient is φ = 4884913440.

The previous prime is 7145431049. The next prime is 7145431063. The reversal of 7145431055 is 5501345417.

It is a happy number.

It is not a de Polignac number, because 7145431055 - 2⁶ = 7145430991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296807 + ... + 319976.

It is an arithmetic number, because the mean of its divisors is an integer number (614316864).

Almost surely, 2^7145431055 is an apocalyptic number.

7145431055 is a deficient number, since it is larger than the sum of its proper divisors (2683638769).

7145431055 is a wasteful number, since it uses less digits than its factorization.

7145431055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617126.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 7145431055 is about 84530.6515708947. The cubic root of 7145431055 is about 1926.0880837949.

The spelling of 7145431055 in words is "seven billion, one hundred forty-five million, four hundred thirty-one thousand, fifty-five".