1145293671 has 16 divisors (see below), whose sum is σ = 1636521984. Its totient is φ = 710591904.

The previous prime is 1145293649. The next prime is 1145293693. The reversal of 1145293671 is 1763925411.

It is an interprime number because it is at equal distance from previous prime (1145293649) and next prime (1145293693).

It is not a de Polignac number, because 1145293671 - 2¹⁹ = 1144769383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145293601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221751 + ... + 226856.

It is an arithmetic number, because the mean of its divisors is an integer number (102282624).

Almost surely, 2^1145293671 is an apocalyptic number.

1145293671 is a deficient number, since it is larger than the sum of its proper divisors (491228313).

1145293671 is a wasteful number, since it uses less digits than its factorization.

1145293671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448670.

The product of its digits is 45360, while the sum is 39.

The square root of 1145293671 is about 33842.1877395655. The cubic root of 1145293671 is about 1046.2583898700.

The spelling of 1145293671 in words is "one billion, one hundred forty-five million, two hundred ninety-three thousand, six hundred seventy-one".