1145532406 has 8 divisors (see below), whose sum is σ = 1718473680. Its totient is φ = 572707848.

The previous prime is 1145532397. The next prime is 1145532463. The reversal of 1145532406 is 6042355411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1145532406² = 2624488986392297672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2040 + ... + 47908.

It is an arithmetic number, because the mean of its divisors is an integer number (214809210).

Almost surely, 2^1145532406 is an apocalyptic number.

1145532406 is a deficient number, since it is larger than the sum of its proper divisors (572941274).

1145532406 is a wasteful number, since it uses less digits than its factorization.

1145532406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58358.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1145532406 is about 33845.7147361376. The cubic root of 1145532406 is about 1046.3310818936.

Adding to 1145532406 its reverse (6042355411), we get a palindrome (7187887817).

The spelling of 1145532406 in words is "one billion, one hundred forty-five million, five hundred thirty-two thousand, four hundred six".