1145307098 has 16 divisors (see below), whose sum is σ = 1853386920. Its totient is φ = 527667456.

The previous prime is 1145307077. The next prime is 1145307101. The reversal of 1145307098 is 8907035411.

It can be written as a sum of positive squares in 4 ways, for example, as 577104529 + 568202569 = 24023^2 + 23837^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23915 + ... + 53502.

Almost surely, 2^1145307098 is an apocalyptic number.

1145307098 is a deficient number, since it is larger than the sum of its proper divisors (708079822).

1145307098 is a wasteful number, since it uses less digits than its factorization.

1145307098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78001.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 1145307098 is about 33842.3861156391. The cubic root of 1145307098 is about 1046.2624785030.

The spelling of 1145307098 in words is "one billion, one hundred forty-five million, three hundred seven thousand, ninety-eight".