765144342 has 48 divisors (see below), whose sum is σ = 1679998320. Its totient is φ = 251652096.

The previous prime is 765144311. The next prime is 765144343. The reversal of 765144342 is 243441567.

It is a super-2 number, since 2×765144342² = 1170891728189225928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 765144297 and 765144306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (765144343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1035009 + ... + 1035747.

It is an arithmetic number, because the mean of its divisors is an integer number (34999965).

Almost surely, 2^765144342 is an apocalyptic number.

765144342 is an abundant number, since it is smaller than the sum of its proper divisors (914853978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

765144342 is a wasteful number, since it uses less digits than its factorization.

765144342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437 (or 1434 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 765144342 is about 27661.2425968177. The cubic root of 765144342 is about 914.6349453000.

The spelling of 765144342 in words is "seven hundred sixty-five million, one hundred forty-four thousand, three hundred forty-two".