1081415445 has 32 divisors (see below), whose sum is σ = 1923191424. Its totient is φ = 514425600.

The previous prime is 1081415431. The next prime is 1081415459. The reversal of 1081415445 is 5445141801.

It is an interprime number because it is at equal distance from previous prime (1081415431) and next prime (1081415459).

It is not a de Polignac number, because 1081415445 - 2⁴ = 1081415429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 53086 + ... + 70575.

It is an arithmetic number, because the mean of its divisors is an integer number (60099732).

Almost surely, 2^1081415445 is an apocalyptic number.

1081415445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1081415445 is a deficient number, since it is larger than the sum of its proper divisors (841775979).

1081415445 is a wasteful number, since it uses less digits than its factorization.

1081415445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123733.

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 1081415445 is about 32884.8817087731. The cubic root of 1081415445 is about 1026.4335902826.

The spelling of 1081415445 in words is "one billion, eighty-one million, four hundred fifteen thousand, four hundred forty-five".