1045376278254 has 144 divisors (see below), whose sum is σ = 2849888845440. Its totient is φ = 271085205600.

The previous prime is 1045376278253. The next prime is 1045376278283. The reversal of 1045376278254 is 4528726735401.

1045376278254 is a `hidden beast` number, since 1 + 0 + 4 + 5 + 3 + 7 + 627 + 8 + 2 + 5 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1045376278254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045376278253) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9381889 + ... + 9492659.

It is an arithmetic number, because the mean of its divisors is an integer number (19790894760).

Almost surely, 2^{1045376278254} is an apocalyptic number.

1045376278254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1045376278254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1424944422720).

1045376278254 is an abundant number, since it is smaller than the sum of its proper divisors (1804512567186).

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

1045376278254 is a wasteful number, since it uses less digits than its factorization.

1045376278254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111427 (or 111413 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 54.

The spelling of 1045376278254 in words is "one trillion, forty-five billion, three hundred seventy-six million, two hundred seventy-eight thousand, two hundred fifty-four".