7145263194 has 32 divisors (see below), whose sum is σ = 14823717120. Its totient is φ = 2293338432.

The previous prime is 7145263189. The next prime is 7145263199. The reversal of 7145263194 is 4913625417.

It is an interprime number because it is at equal distance from previous prime (7145263189) and next prime (7145263199).

It is a super-2 number, since 2×7145263194² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7145263199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7912 + ... + 119804.

It is an arithmetic number, because the mean of its divisors is an integer number (463241160).

Almost surely, 2^7145263194 is an apocalyptic number.

7145263194 is an abundant number, since it is smaller than the sum of its proper divisors (7678453926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7145263194 is a wasteful number, since it uses less digits than its factorization.

7145263194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112294.

The product of its digits is 181440, while the sum is 42.

The square root of 7145263194 is about 84529.6586648734. The cubic root of 7145263194 is about 1926.0730010751.

The spelling of 7145263194 in words is "seven billion, one hundred forty-five million, two hundred sixty-three thousand, one hundred ninety-four".