145403778583118 has 32 divisors (see below), whose sum is σ = 238130606384640. Its totient is φ = 66037885200000.

The previous prime is 145403778583103. The next prime is 145403778583121. The reversal of 145403778583118 is 811385877304541.

It is a super-2 number, since 2×145403778583118² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128640203 + ... + 129765593.

It is an arithmetic number, because the mean of its divisors is an integer number (7441581449520).

Almost surely, 2^{145403778583118} is an apocalyptic number.

145403778583118 is a deficient number, since it is larger than the sum of its proper divisors (92726827801522).

145403778583118 is a wasteful number, since it uses less digits than its factorization.

145403778583118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130264.

The product of its (nonzero) digits is 90316800, while the sum is 65.

The spelling of 145403778583118 in words is "one hundred forty-five trillion, four hundred three billion, seven hundred seventy-eight million, five hundred eighty-three thousand, one hundred eighteen".