145186145254 has 32 divisors (see below), whose sum is σ = 245042703360. Its totient is φ = 64177819200.

The previous prime is 145186145249. The next prime is 145186145371. The reversal of 145186145254 is 452541681541.

It is a happy number.

145186145254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1989982 + ... + 2061649.

It is an arithmetic number, because the mean of its divisors is an integer number (7657584480).

Almost surely, 2^145186145254 is an apocalyptic number.

145186145254 is a deficient number, since it is larger than the sum of its proper divisors (99856558106).

145186145254 is a wasteful number, since it uses less digits than its factorization.

145186145254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4051716.

The product of its digits is 768000, while the sum is 46.

The spelling of 145186145254 in words is "one hundred forty-five billion, one hundred eighty-six million, one hundred forty-five thousand, two hundred fifty-four".