1085299154 has 4 divisors (see below), whose sum is σ = 1627948734. Its totient is φ = 542649576.

The previous prime is 1085299141. The next prime is 1085299211. The reversal of 1085299154 is 4519925801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1035101929 + 50197225 = 32173^2 + 7085^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271324787 + ... + 271324790.

Almost surely, 2^1085299154 is an apocalyptic number.

1085299154 is a deficient number, since it is larger than the sum of its proper divisors (542649580).

1085299154 is an equidigital number, since it uses as much as digits as its factorization.

1085299154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542649579.

The product of its (nonzero) digits is 129600, while the sum is 44.

The square root of 1085299154 is about 32943.8788548040. The cubic root of 1085299154 is about 1027.6608727853.

The spelling of 1085299154 in words is "one billion, eighty-five million, two hundred ninety-nine thousand, one hundred fifty-four".