45208378 has 4 divisors (see below), whose sum is σ = 67812570. Its totient is φ = 22604188.

The previous prime is 45208369. The next prime is 45208379. The reversal of 45208378 is 87380254.

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

It can be written as a sum of positive squares in only one way, i.e., 42029289 + 3179089 = 6483^2 + 1783^2 .

It is not an unprimeable number, because it can be changed into a prime (45208379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11302093 + ... + 11302096.

Almost surely, 2^45208378 is an apocalyptic number.

45208378 is a deficient number, since it is larger than the sum of its proper divisors (22604192).

45208378 is a wasteful number, since it uses less digits than its factorization.

45208378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22604191.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 45208378 is about 6723.7175728908. The cubic root of 45208378 is about 356.2375061587.

The spelling of 45208378 in words is "forty-five million, two hundred eight thousand, three hundred seventy-eight".