145210774412178 has 12 divisors (see below), whose sum is σ = 314623344559758. Its totient is φ = 48403591470720.

The previous prime is 145210774412147. The next prime is 145210774412183. The reversal of 145210774412178 is 871214477012541.

145210774412178 is a `hidden beast` number, since 1 + 4 + 5 + 2 + 107 + 7 + 441 + 21 + 78 = 666.

It can be written as a sum of positive squares in only one way, i.e., 145094238887049 + 116535525129 = 12045507^2 + 341373^2 .

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4033632622543 + ... + 4033632622578.

Almost surely, 2^{145210774412178} is an apocalyptic number.

145210774412178 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

145210774412178 is an abundant number, since it is smaller than the sum of its proper divisors (169412570147580).

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

145210774412178 is a wasteful number, since it uses less digits than its factorization.

145210774412178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8067265245129 (or 8067265245126 counting only the distinct ones).

The product of its (nonzero) digits is 3512320, while the sum is 54.

The spelling of 145210774412178 in words is "one hundred forty-five trillion, two hundred ten billion, seven hundred seventy-four million, four hundred twelve thousand, one hundred seventy-eight".