45023378 has 8 divisors (see below), whose sum is σ = 71507772. Its totient is φ = 21187456.

The previous prime is 45023359. The next prime is 45023383. The reversal of 45023378 is 87332054.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38278969 + 6744409 = 6187^2 + 2597^2 .

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

It is a super-3 number, since 3×45023378³ (a number of 24 digits) contains 333 as substring.

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, 662075 + ... + 662142.

Almost surely, 2^45023378 is an apocalyptic number.

45023378 is a deficient number, since it is larger than the sum of its proper divisors (26484394).

45023378 is a wasteful number, since it uses less digits than its factorization.

45023378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324236.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 45023378 is about 6709.9461994863. The cubic root of 45023378 is about 355.7509146388.

The spelling of 45023378 in words is "forty-five million, twenty-three thousand, three hundred seventy-eight".