4645457145 has 144 divisors (see below), whose sum is σ = 9939646080. Its totient is φ = 1959220224.

The previous prime is 4645457137. The next prime is 4645457147. The reversal of 4645457145 is 5417545464.

4645457145 is a `hidden beast` number, since 4 + 6 + 454 + 57 + 145 = 666.

It is not a de Polignac number, because 4645457145 - 2³ = 4645457137 is a prime.

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

Its product of digits (1344000) is a multiple of the sum of its prime divisors (250).

It is a self number, because there is not a number n which added to its sum of digits gives 4645457145.

It is not an unprimeable number, because it can be changed into a prime (4645457147) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 33420486 + ... + 33420624.

It is an arithmetic number, because the mean of its divisors is an integer number (69025320).

Almost surely, 2^4645457145 is an apocalyptic number.

4645457145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4645457145 is an abundant number, since it is smaller than the sum of its proper divisors (5294188935).

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

4645457145 is a wasteful number, since it uses less digits than its factorization.

4645457145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 250 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 45.

The square root of 4645457145 is about 68157.5905163908. The cubic root of 4645457145 is about 1668.5638082041.

The spelling of 4645457145 in words is "four billion, six hundred forty-five million, four hundred fifty-seven thousand, one hundred forty-five".