45102780278 has 8 divisors (see below), whose sum is σ = 67655333568. Its totient is φ = 22551002424.

The previous prime is 45102780271. The next prime is 45102780319. The reversal of 45102780278 is 87208720154.

45102780278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45102780271) 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, 15701 + ... + 300752.

It is an arithmetic number, because the mean of its divisors is an integer number (8456916696).

Almost surely, 2^45102780278 is an apocalyptic number.

45102780278 is a deficient number, since it is larger than the sum of its proper divisors (22552553290).

45102780278 is a wasteful number, since it uses less digits than its factorization.

45102780278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387718.

The product of its (nonzero) digits is 250880, while the sum is 44.

The spelling of 45102780278 in words is "forty-five billion, one hundred two million, seven hundred eighty thousand, two hundred seventy-eight".