1085453434 has 64 divisors (see below), whose sum is σ = 1926076320. Its totient is φ = 454164480.

The previous prime is 1085453387. The next prime is 1085453471. The reversal of 1085453434 is 4343545801.

It can be written as a sum of positive squares in 16 ways, for example, as 39125025 + 1046328409 = 6255^2 + 32347^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1085453393 and 1085453402.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1612522 + ... + 1613194.

Almost surely, 2^1085453434 is an apocalyptic number.

1085453434 is a deficient number, since it is larger than the sum of its proper divisors (840622886).

1085453434 is a wasteful number, since it uses less digits than its factorization.

1085453434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835.

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 1085453434 is about 32946.2203295006. The cubic root of 1085453434 is about 1027.7095659672.

The spelling of 1085453434 in words is "one billion, eighty-five million, four hundred fifty-three thousand, four hundred thirty-four".