76145 has 8 divisors (see below), whose sum is σ = 92904. Its totient is φ = 59904.

The previous prime is 76129. The next prime is 76147. The reversal of 76145 is 54167.

It can be written as a sum of positive squares in 4 ways, for example, as 2704 + 73441 = 52^2 + 271^2 .

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 76145 - 2⁴ = 76129 is a prime.

It is a super-2 number, since 2×76145² = 11596122050, which contains 22 as substring.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76145.

It is not an unprimeable number, because it can be changed into a prime (76147) 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, 407 + ... + 563.

It is an arithmetic number, because the mean of its divisors is an integer number (11613).

2⁷⁶¹⁴⁵ is an apocalyptic number.

It is an amenable number.

76145 is a deficient number, since it is larger than the sum of its proper divisors (16759).

76145 is a wasteful number, since it uses less digits than its factorization.

76145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259.

The product of its digits is 840, while the sum is 23.

The square root of 76145 is about 275.9438348650. The cubic root of 76145 is about 42.3851570806.

The spelling of 76145 in words is "seventy-six thousand, one hundred forty-five".