76454145 has 32 divisors (see below), whose sum is σ = 136304640. Its totient is φ = 40659840.

The previous prime is 76454137. The next prime is 76454197. The reversal of 76454145 is 54145467.

76454145 is a `hidden beast` number, since 7 + 645 + 4 + 1 + 4 + 5 = 666.

It is not a de Polignac number, because 76454145 - 2³ = 76454137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69792 + ... + 70878.

It is an arithmetic number, because the mean of its divisors is an integer number (4259520).

Almost surely, 2^76454145 is an apocalyptic number.

It is an amenable number.

76454145 is a deficient number, since it is larger than the sum of its proper divisors (59850495).

76454145 is a wasteful number, since it uses less digits than its factorization.

76454145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622 (or 1616 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 76454145 is about 8743.8060934584. The cubic root of 76454145 is about 424.4244018757.

The spelling of 76454145 in words is "seventy-six million, four hundred fifty-four thousand, one hundred forty-five".