1148151797 has 16 divisors (see below), whose sum is σ = 1310913072. Its totient is φ = 996188160.

The previous prime is 1148151791. The next prime is 1148151803. The reversal of 1148151797 is 7971518411.

It is an interprime number because it is at equal distance from previous prime (1148151791) and next prime (1148151803).

It can be written as a sum of positive squares in 8 ways, for example, as 703921 + 1147447876 = 839^2 + 33874^2 .

It is a cyclic number.

It is not a de Polignac number, because 1148151797 - 2⁶ = 1148151733 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 (1148151791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191753 + ... + 197649.

It is an arithmetic number, because the mean of its divisors is an integer number (81932067).

Almost surely, 2^1148151797 is an apocalyptic number.

1148151797 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1148151797 is a deficient number, since it is larger than the sum of its proper divisors (162761275).

1148151797 is a wasteful number, since it uses less digits than its factorization.

1148151797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6808.

The product of its digits is 70560, while the sum is 44.

The square root of 1148151797 is about 33884.3886915494. The cubic root of 1148151797 is about 1047.1279933970.

The spelling of 1148151797 in words is "one billion, one hundred forty-eight million, one hundred fifty-one thousand, seven hundred ninety-seven".