1157745471 has 8 divisors (see below), whose sum is σ = 1564806960. Its totient is φ = 761257152.

The previous prime is 1157745467. The next prime is 1157745493. The reversal of 1157745471 is 1745477511.

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

It is not a de Polignac number, because 1157745471 - 2² = 1157745467 is a prime.

It is a super-3 number, since 3×1157745471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157745431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2643036 + ... + 2643473.

It is an arithmetic number, because the mean of its divisors is an integer number (195600870).

Almost surely, 2^1157745471 is an apocalyptic number.

1157745471 is a deficient number, since it is larger than the sum of its proper divisors (407061489).

1157745471 is an equidigital number, since it uses as much as digits as its factorization.

1157745471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5286585.

The product of its digits is 137200, while the sum is 42.

The square root of 1157745471 is about 34025.6590090479. The cubic root of 1157745471 is about 1050.0364223193.

The spelling of 1157745471 in words is "one billion, one hundred fifty-seven million, seven hundred forty-five thousand, four hundred seventy-one".