45378205 has 8 divisors (see below), whose sum is σ = 55346904. Its totient is φ = 35707200.

The previous prime is 45378199. The next prime is 45378211. The reversal of 45378205 is 50287354.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45378199) and next prime (45378211).

It can be written as a sum of positive squares in 4 ways, for example, as 715716 + 44662489 = 846^2 + 6683^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45378205 - 2³ = 45378197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74086 + ... + 74695.

It is an arithmetic number, because the mean of its divisors is an integer number (6918363).

Almost surely, 2^45378205 is an apocalyptic number.

It is an amenable number.

45378205 is a deficient number, since it is larger than the sum of its proper divisors (9968699).

45378205 is a wasteful number, since it uses less digits than its factorization.

45378205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148847.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 45378205 is about 6736.3346858659. The cubic root of 45378205 is about 356.6830220273.

The spelling of 45378205 in words is "forty-five million, three hundred seventy-eight thousand, two hundred five".