145115699278 has 16 divisors (see below), whose sum is σ = 237468394800. Its totient is φ = 65959920000.

The previous prime is 145115699273. The next prime is 145115699279. The reversal of 145115699278 is 872996511541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145115699273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1126948 + ... + 1249096.

It is an arithmetic number, because the mean of its divisors is an integer number (14841774675).

Almost surely, 2^145115699278 is an apocalyptic number.

145115699278 is a deficient number, since it is larger than the sum of its proper divisors (92352695522).

145115699278 is a wasteful number, since it uses less digits than its factorization.

145115699278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176163.

The product of its digits is 5443200, while the sum is 58.

The spelling of 145115699278 in words is "one hundred forty-five billion, one hundred fifteen million, six hundred ninety-nine thousand, two hundred seventy-eight".