1157473343 has 16 divisors (see below), whose sum is σ = 1255153536. Its totient is φ = 1061061120.

The previous prime is 1157473313. The next prime is 1157473349. The reversal of 1157473343 is 3433747511.

It is a cyclic number.

It is not a de Polignac number, because 1157473343 - 2⁶ = 1157473279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1157473297 and 1157473306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157473349) 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, 1887905 + ... + 1888517.

It is an arithmetic number, because the mean of its divisors is an integer number (78447096).

Almost surely, 2^1157473343 is an apocalyptic number.

1157473343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1157473343 is a deficient number, since it is larger than the sum of its proper divisors (97680193).

1157473343 is a wasteful number, since it uses less digits than its factorization.

1157473343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394.

The product of its digits is 105840, while the sum is 38.

The square root of 1157473343 is about 34021.6599095341. The cubic root of 1157473343 is about 1049.9541455410.

The spelling of 1157473343 in words is "one billion, one hundred fifty-seven million, four hundred seventy-three thousand, three hundred forty-three".