1073145859 has 8 divisors (see below), whose sum is σ = 1196076240. Its totient is φ = 956860416.

The previous prime is 1073145839. The next prime is 1073145881. The reversal of 1073145859 is 9585413701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1073145859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1073145839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1660894 + ... + 1661539.

It is an arithmetic number, because the mean of its divisors is an integer number (149509530).

Almost surely, 2^1073145859 is an apocalyptic number.

1073145859 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1073145859 is a deficient number, since it is larger than the sum of its proper divisors (122930381).

1073145859 is a wasteful number, since it uses less digits than its factorization.

1073145859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3322469.

The product of its (nonzero) digits is 151200, while the sum is 43.

The square root of 1073145859 is about 32758.9050335935. The cubic root of 1073145859 is about 1023.8105127670.

The spelling of 1073145859 in words is "one billion, seventy-three million, one hundred forty-five thousand, eight hundred fifty-nine".