145302444400018 has 16 divisors (see below), whose sum is σ = 225489847680000. Its totient is φ = 70139618226832.

The previous prime is 145302444399943. The next prime is 145302444400021. The reversal of 145302444400018 is 810004444203541.

It is a super-2 number, since 2×145302444400018² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113454418 + ... + 114727981.

It is an arithmetic number, because the mean of its divisors is an integer number (14093115480000).

Almost surely, 2^{145302444400018} is an apocalyptic number.

145302444400018 is a deficient number, since it is larger than the sum of its proper divisors (80187403279982).

145302444400018 is a wasteful number, since it uses less digits than its factorization.

145302444400018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228193409.

The product of its (nonzero) digits is 245760, while the sum is 40.

Adding to 145302444400018 its reverse (810004444203541), we get a palindrome (955306888603559).

The spelling of 145302444400018 in words is "one hundred forty-five trillion, three hundred two billion, four hundred forty-four million, four hundred thousand, eighteen".