45378046 has 8 divisors (see below), whose sum is σ = 77790960. Its totient is φ = 19447728.

The previous prime is 45378043. The next prime is 45378071. The reversal of 45378046 is 64087354.

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

It is a junction number, because it is equal to n+sod(n) for n = 45377996 and 45378014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45378043) 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, 1620631 + ... + 1620658.

It is an arithmetic number, because the mean of its divisors is an integer number (9723870).

Almost surely, 2^45378046 is an apocalyptic number.

45378046 is a deficient number, since it is larger than the sum of its proper divisors (32412914).

45378046 is a wasteful number, since it uses less digits than its factorization.

45378046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3241298.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 45378046 is about 6736.3228841854. The cubic root of 45378046 is about 356.6826054348.

The spelling of 45378046 in words is "forty-five million, three hundred seventy-eight thousand, forty-six".