1145715090 has 32 divisors (see below), whose sum is σ = 2961233856. Its totient is φ = 282022080.

The previous prime is 1145715073. The next prime is 1145715107. The reversal of 1145715090 is 905175411.

It is an interprime number because it is at equal distance from previous prime (1145715073) and next prime (1145715107).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1468476 + ... + 1469255.

It is an arithmetic number, because the mean of its divisors is an integer number (92538558).

Almost surely, 2^1145715090 is an apocalyptic number.

1145715090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1145715090 is an abundant number, since it is smaller than the sum of its proper divisors (1815518766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145715090 is a wasteful number, since it uses less digits than its factorization.

1145715090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2937754.

The product of its (nonzero) digits is 6300, while the sum is 33.

The square root of 1145715090 is about 33848.4134044714. The cubic root of 1145715090 is about 1046.3867002204.

The spelling of 1145715090 in words is "one billion, one hundred forty-five million, seven hundred fifteen thousand, ninety".