145293686120190 has 32 divisors (see below), whose sum is σ = 348749975347200. Its totient is φ = 38739968669984.

The previous prime is 145293686120189. The next prime is 145293686120203. The reversal of 145293686120190 is 91021686392541.

It is a super-2 number, since 2×145293686120190² (a number of 29 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 145293686120190.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 313157790 + ... + 313621409.

It is an arithmetic number, because the mean of its divisors is an integer number (10898436729600).

Almost surely, 2^{145293686120190} is an apocalyptic number.

145293686120190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145293686120190 is an abundant number, since it is smaller than the sum of its proper divisors (203456289227010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145293686120190 is a wasteful number, since it uses less digits than its factorization.

145293686120190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626786936.

The product of its (nonzero) digits is 5598720, while the sum is 57.

The spelling of 145293686120190 in words is "one hundred forty-five trillion, two hundred ninety-three billion, six hundred eighty-six million, one hundred twenty thousand, one hundred ninety".