1494578445145 has 8 divisors (see below), whose sum is σ = 1804497166656. Its totient is φ = 1188327401136.

The previous prime is 1494578445089. The next prime is 1494578445149. The reversal of 1494578445145 is 5415448754941.

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

It is a cyclic number.

It is not a de Polignac number, because 1494578445145 - 2²¹ = 1494576347993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1494578445149) 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, 916918477 + ... + 916920106.

It is an arithmetic number, because the mean of its divisors is an integer number (225562145832).

Almost surely, 2^{1494578445145} is an apocalyptic number.

It is an amenable number.

1494578445145 is a deficient number, since it is larger than the sum of its proper divisors (309918721511).

1494578445145 is a wasteful number, since it uses less digits than its factorization.

1494578445145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833838751.

The product of its digits is 64512000, while the sum is 61.

The spelling of 1494578445145 in words is "one trillion, four hundred ninety-four billion, five hundred seventy-eight million, four hundred forty-five thousand, one hundred forty-five".