145416462547 has 4 divisors (see below), whose sum is σ = 145426152016. Its totient is φ = 145406773080.

The previous prime is 145416462511. The next prime is 145416462619. The reversal of 145416462547 is 745264614541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145416462547 - 2¹⁹ = 145415938259 is a prime.

It is a super-2 number, since 2×145416462547² (a number of 23 digits) contains 22 as substring.

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 145416462547.

It is not an unprimeable number, because it can be changed into a prime (145416462647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4822188 + ... + 4852249.

It is an arithmetic number, because the mean of its divisors is an integer number (36356538004).

Almost surely, 2^145416462547 is an apocalyptic number.

145416462547 is a deficient number, since it is larger than the sum of its proper divisors (9689469).

145416462547 is an equidigital number, since it uses as much as digits as its factorization.

145416462547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9689468.

The product of its digits is 3225600, while the sum is 49.

The spelling of 145416462547 in words is "one hundred forty-five billion, four hundred sixteen million, four hundred sixty-two thousand, five hundred forty-seven".