145069927128978 has 32 divisors (see below), whose sum is σ = 307207742852160. Its totient is φ = 45512009802240.

The previous prime is 145069927128967. The next prime is 145069927128979. The reversal of 145069927128978 is 879821729960541.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (145069927128979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40052718 + ... + 43524246.

It is an arithmetic number, because the mean of its divisors is an integer number (9600241964130).

Almost surely, 2^{145069927128978} is an apocalyptic number.

145069927128978 is an abundant number, since it is smaller than the sum of its proper divisors (162137815723182).

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

145069927128978 is a wasteful number, since it uses less digits than its factorization.

145069927128978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881242.

The product of its (nonzero) digits is 1097349120, while the sum is 78.

The spelling of 145069927128978 in words is "one hundred forty-five trillion, sixty-nine billion, nine hundred twenty-seven million, one hundred twenty-eight thousand, nine hundred seventy-eight".