1079815545 has 24 divisors (see below), whose sum is σ = 1875758976. Its totient is φ = 574646688.

The previous prime is 1079815501. The next prime is 1079815567. The reversal of 1079815545 is 5455189701.

1079815545 is a `hidden beast` number, since 1 + 0 + 7 + 98 + 1 + 554 + 5 = 666.

It is not a de Polignac number, because 1079815545 - 2⁷ = 1079815417 is a prime.

It is a super-2 number, since 2×1079815545² = 2332003222447294050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1079815545.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5079 + ... + 46748.

It is an arithmetic number, because the mean of its divisors is an integer number (78156624).

Almost surely, 2^1079815545 is an apocalyptic number.

1079815545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1079815545 is a deficient number, since it is larger than the sum of its proper divisors (795943431).

1079815545 is a wasteful number, since it uses less digits than its factorization.

1079815545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52301 (or 52298 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 45.

The square root of 1079815545 is about 32860.5469370186. The cubic root of 1079815545 is about 1025.9271547520.

It can be divided in two parts, 107981 and 5545, that added together give a triangular number (113526 = T₄₇₆).

The spelling of 1079815545 in words is "one billion, seventy-nine million, eight hundred fifteen thousand, five hundred forty-five".