7145464450 has 12 divisors (see below), whose sum is σ = 13290563970. Its totient is φ = 2858185760.

The previous prime is 7145464433. The next prime is 7145464451. The reversal of 7145464450 is 544645417.

It can be written as a sum of positive squares in 3 ways, for example, as 4992411649 + 2153052801 = 70657^2 + 46401^2 .

It is not an unprimeable number, because it can be changed into a prime (7145464451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71454595 + ... + 71454694.

Almost surely, 2^7145464450 is an apocalyptic number.

7145464450 is a deficient number, since it is larger than the sum of its proper divisors (6145099520).

7145464450 is a wasteful number, since it uses less digits than its factorization.

7145464450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142909301 (or 142909296 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 40.

The square root of 7145464450 is about 84530.8491025614. The cubic root of 7145464450 is about 1926.0910843888.

The spelling of 7145464450 in words is "seven billion, one hundred forty-five million, four hundred sixty-four thousand, four hundred fifty".