45399061 has 4 divisors (see below), whose sum is σ = 48069612. Its totient is φ = 42728512.

The previous prime is 45399059. The next prime is 45399073. The reversal of 45399061 is 16099354.

45399061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41860900 + 3538161 = 6470^2 + 1881^2 .

It is a cyclic number.

It is not a de Polignac number, because 45399061 - 2¹ = 45399059 is a prime.

It is a super-2 number, since 2×45399061² = 4122149479363442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45399061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45399041) 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 3 ways as a sum of consecutive naturals, for example, 1335250 + ... + 1335283.

It is an arithmetic number, because the mean of its divisors is an integer number (12017403).

Almost surely, 2^45399061 is an apocalyptic number.

It is an amenable number.

45399061 is a deficient number, since it is larger than the sum of its proper divisors (2670551).

45399061 is a wasteful number, since it uses less digits than its factorization.

45399061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2670550.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 45399061 is about 6737.8825308846. The cubic root of 45399061 is about 356.7376579606.

The spelling of 45399061 in words is "forty-five million, three hundred ninety-nine thousand, sixty-one".