45278746554 has 8 divisors (see below), whose sum is σ = 90557493120. Its totient is φ = 15092915516.

The previous prime is 45278746549. The next prime is 45278746603. The reversal of 45278746554 is 45564787254.

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

45278746554 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 45278746494 and 45278746503.

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, 3773228874 + ... + 3773228885.

It is an arithmetic number, because the mean of its divisors is an integer number (11319686640).

Almost surely, 2^45278746554 is an apocalyptic number.

45278746554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

45278746554 is a wasteful number, since it uses less digits than its factorization.

45278746554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7546457764.

The product of its digits is 37632000, while the sum is 57.

The spelling of 45278746554 in words is "forty-five billion, two hundred seventy-eight million, seven hundred forty-six thousand, five hundred fifty-four".