45378768 has 20 divisors (see below), whose sum is σ = 117228608. Its totient is φ = 15126240.

The previous prime is 45378757. The next prime is 45378769. The reversal of 45378768 is 86787354.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 945391 = 45378768 / (4 + 5 + 3 + 7 + 8 + 7 + 6 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45378769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472648 + ... + 472743.

Almost surely, 2^45378768 is an apocalyptic number.

45378768 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

45378768 is an abundant number, since it is smaller than the sum of its proper divisors (71849840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45378768 is a wasteful number, since it uses less digits than its factorization.

45378768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945402 (or 945396 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 48.

The square root of 45378768 is about 6736.3764740400. The cubic root of 45378768 is about 356.6844971240.

The spelling of 45378768 in words is "forty-five million, three hundred seventy-eight thousand, seven hundred sixty-eight".