755491157 has 4 divisors (see below), whose sum is σ = 755633376. Its totient is φ = 755348940.

The previous prime is 755491117. The next prime is 755491171. The reversal of 755491157 is 751194557.

755491157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 755491157 - 2²² = 751296853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755491117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62819 + ... + 73872.

It is an arithmetic number, because the mean of its divisors is an integer number (188908344).

Almost surely, 2^755491157 is an apocalyptic number.

It is an amenable number.

755491157 is a deficient number, since it is larger than the sum of its proper divisors (142219).

755491157 is a wasteful number, since it uses less digits than its factorization.

755491157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142218.

The product of its digits is 220500, while the sum is 44.

The square root of 755491157 is about 27486.1993916947. The cubic root of 755491157 is about 910.7722611609.

The spelling of 755491157 in words is "seven hundred fifty-five million, four hundred ninety-one thousand, one hundred fifty-seven".