1455447090 has 32 divisors (see below), whose sum is σ = 3504473280. Its totient is φ = 386852544.

The previous prime is 1455447089. The next prime is 1455447121. The reversal of 1455447090 is 907445541.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69805 + ... + 88224.

It is an arithmetic number, because the mean of its divisors is an integer number (109514790).

Almost surely, 2^1455447090 is an apocalyptic number.

1455447090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1455447090 is an abundant number, since it is smaller than the sum of its proper divisors (2049026190).

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

1455447090 is a wasteful number, since it uses less digits than its factorization.

1455447090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158346.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 1455447090 is about 38150.3222791106. The cubic root of 1455447090 is about 1133.2667341680.

The spelling of 1455447090 in words is "one billion, four hundred fifty-five million, four hundred forty-seven thousand, ninety".