1154645629 has 2 divisors, whose sum is σ = 1154645630. Its totient is φ = 1154645628.

The previous prime is 1154645587. The next prime is 1154645641. The reversal of 1154645629 is 9265464511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1150227225 + 4418404 = 33915^2 + 2102^2 .

It is a cyclic number.

It is not a de Polignac number, because 1154645629 - 2⁷ = 1154645501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1154645669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577322814 + 577322815.

It is an arithmetic number, because the mean of its divisors is an integer number (577322815).

Almost surely, 2^1154645629 is an apocalyptic number.

It is an amenable number.

1154645629 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154645629 is an equidigital number, since it uses as much as digits as its factorization.

1154645629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 43.

The square root of 1154645629 is about 33980.0769422319. The cubic root of 1154645629 is about 1049.0984336641.

It can be divided in two parts, 11546 and 45629, that added together give a palindrome (57175).

The spelling of 1154645629 in words is "one billion, one hundred fifty-four million, six hundred forty-five thousand, six hundred twenty-nine".