1145402471 has 2 divisors, whose sum is σ = 1145402472. Its totient is φ = 1145402470.

The previous prime is 1145402437. The next prime is 1145402501. The reversal of 1145402471 is 1742045411.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145402471 is a prime.

It is a super-3 number, since 3×1145402471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145402431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572701235 + 572701236.

It is an arithmetic number, because the mean of its divisors is an integer number (572701236).

Almost surely, 2^1145402471 is an apocalyptic number.

1145402471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145402471 is an equidigital number, since it uses as much as digits as its factorization.

1145402471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 1145402471 is about 33843.7951624814. The cubic root of 1145402471 is about 1046.2915194540.

Adding to 1145402471 its reverse (1742045411), we get a palindrome (2887447882).

The spelling of 1145402471 in words is "one billion, one hundred forty-five million, four hundred two thousand, four hundred seventy-one".