769614145 has 16 divisors (see below), whose sum is σ = 930161232. Its totient is φ = 611292160.

The previous prime is 769614067. The next prime is 769614163. The reversal of 769614145 is 541416967.

769614145 = 19616² + 19617².

It can be written as a sum of positive squares in 8 ways, for example, as 15397776 + 754216369 = 3924^2 + 27463^2 .

It is not a de Polignac number, because 769614145 - 2²³ = 761225537 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536349 + ... + 537781.

It is an arithmetic number, because the mean of its divisors is an integer number (58135077).

Almost surely, 2^769614145 is an apocalyptic number.

769614145 is the 19617-th centered square number.

It is an amenable number.

769614145 is a deficient number, since it is larger than the sum of its proper divisors (160547087).

769614145 is a wasteful number, since it uses less digits than its factorization.

769614145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132.

The product of its digits is 181440, while the sum is 43.

The square root of 769614145 is about 27741.9203553035. The cubic root of 769614145 is about 916.4125196633.

The spelling of 769614145 in words is "seven hundred sixty-nine million, six hundred fourteen thousand, one hundred forty-five".