145818740745 has 24 divisors (see below), whose sum is σ = 267620278536. Its totient is φ = 73195289088.

The previous prime is 145818740737. The next prime is 145818740777. The reversal of 145818740745 is 547047818541.

It is a happy number.

145818740745 is a `hidden beast` number, since 1 + 4 + 58 + 187 + 407 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1367816256 + 144450924489 = 36984^2 + 380067^2 .

It is not a de Polignac number, because 145818740745 - 2³ = 145818740737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145818740691 and 145818740700.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95305602 + ... + 95307131.

It is an arithmetic number, because the mean of its divisors is an integer number (11150844939).

Almost surely, 2^145818740745 is an apocalyptic number.

145818740745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145818740745 is a deficient number, since it is larger than the sum of its proper divisors (121801537791).

145818740745 is a wasteful number, since it uses less digits than its factorization.

145818740745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190612761 (or 190612758 counting only the distinct ones).

The product of its (nonzero) digits is 5017600, while the sum is 54.

The spelling of 145818740745 in words is "one hundred forty-five billion, eight hundred eighteen million, seven hundred forty thousand, seven hundred forty-five".