1446505140 has 24 divisors (see below), whose sum is σ = 4050214560. Its totient is φ = 385734688.

The previous prime is 1446505127. The next prime is 1446505171. The reversal of 1446505140 is 415056441.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1446505098 and 1446505107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12054150 + ... + 12054269.

It is an arithmetic number, because the mean of its divisors is an integer number (168758940).

Almost surely, 2^1446505140 is an apocalyptic number.

1446505140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1446505140 is an abundant number, since it is smaller than the sum of its proper divisors (2603709420).

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

1446505140 is a wasteful number, since it uses less digits than its factorization.

1446505140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24108431 (or 24108429 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1446505140 is about 38032.9480845227. The cubic root of 1446505140 is about 1130.9411169342.

The spelling of 1446505140 in words is "one billion, four hundred forty-six million, five hundred five thousand, one hundred forty".