450401445 has 32 divisors (see below), whose sum is σ = 862310400. Its totient is φ = 221735232.

The previous prime is 450401431. The next prime is 450401453. The reversal of 450401445 is 544104054.

It is not a de Polignac number, because 450401445 - 2⁶ = 450401381 is a prime.

It is a super-2 number, since 2×450401445² = 405722923316176050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126565 + ... + 130074.

It is an arithmetic number, because the mean of its divisors is an integer number (26947200).

Almost surely, 2^450401445 is an apocalyptic number.

450401445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

450401445 is a deficient number, since it is larger than the sum of its proper divisors (411908955).

450401445 is a wasteful number, since it uses less digits than its factorization.

450401445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256666 (or 256660 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 450401445 is about 21222.6634756338. The cubic root of 450401445 is about 766.5372395463.

Adding to 450401445 its reverse (544104054), we get a palindrome (994505499).

The spelling of 450401445 in words is "four hundred fifty million, four hundred one thousand, four hundred forty-five".