445400901 has 48 divisors (see below), whose sum is σ = 767190528. Its totient is φ = 245836800.

The previous prime is 445400899. The next prime is 445400903. The reversal of 445400901 is 109004544.

It is an interprime number because it is at equal distance from previous prime (445400899) and next prime (445400903).

It is not a de Polignac number, because 445400901 - 2¹ = 445400899 is a prime.

It is a super-2 number, since 2×445400901² = 396763925223223602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445400903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47905 + ... + 56441.

It is an arithmetic number, because the mean of its divisors is an integer number (15983136).

Almost surely, 2^445400901 is an apocalyptic number.

It is an amenable number.

445400901 is a deficient number, since it is larger than the sum of its proper divisors (321789627).

445400901 is a wasteful number, since it uses less digits than its factorization.

445400901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8602 (or 8599 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 445400901 is about 21104.5232355531. The cubic root of 445400901 is about 763.6898708603.

The spelling of 445400901 in words is "four hundred forty-five million, four hundred thousand, nine hundred one".