45401065 has 4 divisors (see below), whose sum is σ = 54481284. Its totient is φ = 36320848.

The previous prime is 45401053. The next prime is 45401071. The reversal of 45401065 is 56010454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56010454 = 2 ⋅28005227.

It can be written as a sum of positive squares in 2 ways, for example, as 22619536 + 22781529 = 4756^2 + 4773^2 .

It is a cyclic number.

It is not a de Polignac number, because 45401065 - 2¹¹ = 45399017 is a prime.

It is a super-2 number, since 2×45401065² = 4122513406268450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4540102 + ... + 4540111.

It is an arithmetic number, because the mean of its divisors is an integer number (13620321).

Almost surely, 2^45401065 is an apocalyptic number.

It is an amenable number.

45401065 is a deficient number, since it is larger than the sum of its proper divisors (9080219).

45401065 is an equidigital number, since it uses as much as digits as its factorization.

45401065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9080218.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 45401065 is about 6738.0312406518. The cubic root of 45401065 is about 356.7429069072.

The spelling of 45401065 in words is "forty-five million, four hundred one thousand, sixty-five".