76123145 has 8 divisors (see below), whose sum is σ = 104397504. Its totient is φ = 52198704.

The previous prime is 76123141. The next prime is 76123193. The reversal of 76123145 is 54132167.

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 76123145 - 2² = 76123141 is a prime.

It is a super-3 number, since 3×76123145³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76123141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1087439 + ... + 1087508.

It is an arithmetic number, because the mean of its divisors is an integer number (13049688).

Almost surely, 2^76123145 is an apocalyptic number.

It is an amenable number.

76123145 is a deficient number, since it is larger than the sum of its proper divisors (28274359).

76123145 is a wasteful number, since it uses less digits than its factorization.

76123145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174959.

The product of its digits is 5040, while the sum is 29.

The square root of 76123145 is about 8724.8578784987. The cubic root of 76123145 is about 423.8110158888.

It can be divided in two parts, 7612 and 3145, that multiplied together give a triangular number (23939740 = T₆₉₁₉).

The spelling of 76123145 in words is "seventy-six million, one hundred twenty-three thousand, one hundred forty-five".