1157900745 has 8 divisors (see below), whose sum is σ = 1852641216. Its totient is φ = 617547056.

The previous prime is 1157900743. The next prime is 1157900749. The reversal of 1157900745 is 5470097511.

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

It is a cyclic number.

It is not a de Polignac number, because 1157900745 - 2¹ = 1157900743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1157900741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38596677 + ... + 38596706.

It is an arithmetic number, because the mean of its divisors is an integer number (231580152).

Almost surely, 2^1157900745 is an apocalyptic number.

1157900745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1157900745 is a deficient number, since it is larger than the sum of its proper divisors (694740471).

1157900745 is an equidigital number, since it uses as much as digits as its factorization.

1157900745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77193391.

The product of its (nonzero) digits is 44100, while the sum is 39.

The square root of 1157900745 is about 34027.9406517644. The cubic root of 1157900745 is about 1050.0833629959.

The spelling of 1157900745 in words is "one billion, one hundred fifty-seven million, nine hundred thousand, seven hundred forty-five".