450068145 has 16 divisors (see below), whose sum is σ = 730858560. Its totient is φ = 236453184.

The previous prime is 450068131. The next prime is 450068147. The reversal of 450068145 is 541860054.

It is not a de Polignac number, because 450068145 - 2¹² = 450064049 is a prime.

It is a super-2 number, since 2×450068145² = 405122670287482050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (450068147) 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, 222910 + ... + 224919.

It is an arithmetic number, because the mean of its divisors is an integer number (45678660).

Almost surely, 2^450068145 is an apocalyptic number.

It is an amenable number.

450068145 is a deficient number, since it is larger than the sum of its proper divisors (280790415).

450068145 is a wasteful number, since it uses less digits than its factorization.

450068145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447904.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 450068145 is about 21214.8095678467. The cubic root of 450068145 is about 766.3481120384.

The spelling of 450068145 in words is "four hundred fifty million, sixty-eight thousand, one hundred forty-five".