4812992145 has 96 divisors (see below), whose sum is σ = 9603764352. Its totient is φ = 2208761856.

The previous prime is 4812992123. The next prime is 4812992147. The reversal of 4812992145 is 5412992184.

It is a happy number.

4812992145 is a `hidden beast` number, since 481 + 29 + 9 + 2 + 145 = 666.

It is not a de Polignac number, because 4812992145 - 2¹⁰ = 4812991121 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4812992145.

It is not an unprimeable number, because it can be changed into a prime (4812992147) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1061854 + ... + 1066376.

It is an arithmetic number, because the mean of its divisors is an integer number (100039212).

Almost surely, 2^4812992145 is an apocalyptic number.

4812992145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4812992145 is a deficient number, since it is larger than the sum of its proper divisors (4790772207).

4812992145 is a wasteful number, since it uses less digits than its factorization.

4812992145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4671 (or 4668 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 4812992145 is about 69375.7316718173. The cubic root of 4812992145 is about 1688.3859038902.

The spelling of 4812992145 in words is "four billion, eight hundred twelve million, nine hundred ninety-two thousand, one hundred forty-five".