1146475431 has 16 divisors (see below), whose sum is σ = 1718949120. Its totient is φ = 755106840.

The previous prime is 1146475423. The next prime is 1146475453. The reversal of 1146475431 is 1345746411.

1146475431 is a `hidden beast` number, since 1 + 1 + 4 + 647 + 5 + 4 + 3 + 1 = 666.

It is not a de Polignac number, because 1146475431 - 2³ = 1146475423 is a prime.

It is a super-2 number, since 2×1146475431² = 2628811827773271522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146475931) 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, 253555 + ... + 258036.

It is an arithmetic number, because the mean of its divisors is an integer number (107434320).

Almost surely, 2^1146475431 is an apocalyptic number.

1146475431 is a deficient number, since it is larger than the sum of its proper divisors (572473689).

1146475431 is an equidigital number, since it uses as much as digits as its factorization.

1146475431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511683 (or 511677 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 1146475431 is about 33859.6431020765. The cubic root of 1146475431 is about 1046.6181233093.

The spelling of 1146475431 in words is "one billion, one hundred forty-six million, four hundred seventy-five thousand, four hundred thirty-one".