45278354 has 16 divisors (see below), whose sum is σ = 74229696. Its totient is φ = 20542800.

The previous prime is 45278351. The next prime is 45278369. The reversal of 45278354 is 45387254.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45278351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12644 + ... + 15824.

It is an arithmetic number, because the mean of its divisors is an integer number (4639356).

Almost surely, 2^45278354 is an apocalyptic number.

45278354 is a deficient number, since it is larger than the sum of its proper divisors (28951342).

45278354 is a wasteful number, since it uses less digits than its factorization.

45278354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3841.

The product of its digits is 134400, while the sum is 38.

The square root of 45278354 is about 6728.9192297129. The cubic root of 45278354 is about 356.4212127061.

Subtracting 45278354 from its reverse (45387254), we obtain a square (108900 = 330²).

The spelling of 45278354 in words is "forty-five million, two hundred seventy-eight thousand, three hundred fifty-four".