1145661230 has 16 divisors (see below), whose sum is σ = 2356788960. Its totient is φ = 392798112.

The previous prime is 1145661217. The next prime is 1145661271. The reversal of 1145661230 is 321665411.

It is a happy number.

It is a super-2 number, since 2×1145661230² = 2625079307850225800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1145661193 and 1145661202.

It is a congruent number.

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, 8183225 + ... + 8183364.

It is an arithmetic number, because the mean of its divisors is an integer number (147299310).

Almost surely, 2^1145661230 is an apocalyptic number.

1145661230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1145661230 is an abundant number, since it is smaller than the sum of its proper divisors (1211127730).

1145661230 is a wasteful number, since it uses less digits than its factorization.

1145661230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16366603.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1145661230 is about 33847.6177891443. The cubic root of 1145661230 is about 1046.3703031040.

The spelling of 1145661230 in words is "one billion, one hundred forty-five million, six hundred sixty-one thousand, two hundred thirty".