145851600205 has 32 divisors (see below), whose sum is σ = 179007944544. Its totient is φ = 114041880576.

The previous prime is 145851600163. The next prime is 145851600263. The reversal of 145851600205 is 502006158541.

It can be written as a sum of positive squares in 16 ways, for example, as 4730413284 + 141121186921 = 68778^2 + 375661^2 .

It is a cyclic number.

It is not a de Polignac number, because 145851600205 - 2⁷ = 145851600077 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 126496909 + ... + 126498061.

It is an arithmetic number, because the mean of its divisors is an integer number (5593998267).

Almost surely, 2^145851600205 is an apocalyptic number.

It is an amenable number.

145851600205 is a deficient number, since it is larger than the sum of its proper divisors (33156344339).

145851600205 is a wasteful number, since it uses less digits than its factorization.

145851600205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625.

The product of its (nonzero) digits is 48000, while the sum is 37.

Adding to 145851600205 its reverse (502006158541), we get a palindrome (647857758746).

The spelling of 145851600205 in words is "one hundred forty-five billion, eight hundred fifty-one million, six hundred thousand, two hundred five".