145335556304245 has 32 divisors (see below), whose sum is σ = 177196230065664. Its totient is φ = 114413603673600.

The previous prime is 145335556304243. The next prime is 145335556304261. The reversal of 145335556304245 is 542403655533541.

It is not a de Polignac number, because 145335556304245 - 2¹ = 145335556304243 is a prime.

It is a super-2 number, since 2×145335556304245² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145335556304243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 342341460 + ... + 342765730.

It is an arithmetic number, because the mean of its divisors is an integer number (5537382189552).

Almost surely, 2^{145335556304245} is an apocalyptic number.

It is an amenable number.

145335556304245 is a deficient number, since it is larger than the sum of its proper divisors (31860673761419).

145335556304245 is a wasteful number, since it uses less digits than its factorization.

145335556304245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426493.

The product of its (nonzero) digits is 64800000, while the sum is 55.

The spelling of 145335556304245 in words is "one hundred forty-five trillion, three hundred thirty-five billion, five hundred fifty-six million, three hundred four thousand, two hundred forty-five".