1446781434 has 32 divisors (see below), whose sum is σ = 3328843776. Its totient is φ = 410626800.

The previous prime is 1446781403. The next prime is 1446781487. The reversal of 1446781434 is 4341876441.

1446781434 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107722 + ... + 120405.

It is an arithmetic number, because the mean of its divisors is an integer number (104026368).

Almost surely, 2^1446781434 is an apocalyptic number.

1446781434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1446781434 is an abundant number, since it is smaller than the sum of its proper divisors (1882062342).

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

1446781434 is a wasteful number, since it uses less digits than its factorization.

1446781434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228290.

The product of its digits is 258048, while the sum is 42.

The square root of 1446781434 is about 38036.5802090566. The cubic root of 1446781434 is about 1131.0131186030.

The spelling of 1446781434 in words is "one billion, four hundred forty-six million, seven hundred eighty-one thousand, four hundred thirty-four".