1446429145378 has 32 divisors (see below), whose sum is σ = 2591540380800. Its totient is φ = 592352054784.

The previous prime is 1446429145351. The next prime is 1446429145379. The reversal of 1446429145378 is 8735419246441.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is not an unprimeable number, because it can be changed into a prime (1446429145379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18324708 + ... + 18403471.

It is an arithmetic number, because the mean of its divisors is an integer number (80985636900).

Almost surely, 2^{1446429145378} is an apocalyptic number.

1446429145378 is a deficient number, since it is larger than the sum of its proper divisors (1145111235422).

1446429145378 is a wasteful number, since it uses less digits than its factorization.

1446429145378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36728314.

The product of its digits is 23224320, while the sum is 58.

The spelling of 1446429145378 in words is "one trillion, four hundred forty-six billion, four hundred twenty-nine million, one hundred forty-five thousand, three hundred seventy-eight".