1145046631 has 2 divisors, whose sum is σ = 1145046632. Its totient is φ = 1145046630.

The previous prime is 1145046599. The next prime is 1145046641. The reversal of 1145046631 is 1366405411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1145046631 - 2⁵ = 1145046599 is a prime.

It is a super-2 number, since 2×1145046631² = 2622263574328900322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1145046593 and 1145046602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145046641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572523315 + 572523316.

It is an arithmetic number, because the mean of its divisors is an integer number (572523316).

Almost surely, 2^1145046631 is an apocalyptic number.

1145046631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145046631 is an equidigital number, since it uses as much as digits as its factorization.

1145046631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1145046631 is about 33838.5376604841. The cubic root of 1145046631 is about 1046.1831584352.

It can be divided in two parts, 11450 and 46631, that added together give a square (58081 = 241²).

The spelling of 1145046631 in words is "one billion, one hundred forty-five million, forty-six thousand, six hundred thirty-one".