7145400 has 48 divisors (see below), whose sum is σ = 22152600. Its totient is φ = 1905280.

The previous prime is 7145399. The next prime is 7145417. The reversal of 7145400 is 45417.

7145400 = T₁₆₁ + T₁₆₂ + ... + T₃₆₀.

7145400 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5355 + ... + 6554.

Almost surely, 2^7145400 is an apocalyptic number.

It is an amenable number.

7145400 is an abundant number, since it is smaller than the sum of its proper divisors (15007200).

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

7145400 is a wasteful number, since it uses less digits than its factorization.

7145400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11928 (or 11919 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 7145400 is about 2673.0881018029. The cubic root of 7145400 is about 192.6085293445.

The spelling of 7145400 in words is "seven million, one hundred forty-five thousand, four hundred".