145416462545 has 4 divisors (see below), whose sum is σ = 174499755060. Its totient is φ = 116333170032.

The previous prime is 145416462511. The next prime is 145416462619. The reversal of 145416462545 is 545264614541.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26485284049 + 118931178496 = 162743^2 + 344864^2 .

It is a cyclic number.

It is not a de Polignac number, because 145416462545 - 2²⁴ = 145399685329 is a prime.

It is a super-2 number, since 2×145416462545² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145416462545.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14541646250 + ... + 14541646259.

It is an arithmetic number, because the mean of its divisors is an integer number (43624938765).

Almost surely, 2^145416462545 is an apocalyptic number.

It is an amenable number.

145416462545 is a deficient number, since it is larger than the sum of its proper divisors (29083292515).

145416462545 is an equidigital number, since it uses as much as digits as its factorization.

145416462545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29083292514.

The product of its digits is 2304000, while the sum is 47.

The spelling of 145416462545 in words is "one hundred forty-five billion, four hundred sixteen million, four hundred sixty-two thousand, five hundred forty-five".