240166257457145 has 8 divisors (see below), whose sum is σ = 288375562415304. Its totient is φ = 192015636987904.

The previous prime is 240166257457103. The next prime is 240166257457153. The reversal of 240166257457145 is 541754752661042.

It can be written as a sum of positive squares in 4 ways, for example, as 296693732416 + 239869563724729 = 544696^2 + 15487723^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240166257457145 - 2¹⁶ = 240166257391609 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14671113224 + ... + 14671129593.

It is an arithmetic number, because the mean of its divisors is an integer number (36046945301913).

Almost surely, 2^{240166257457145} is an apocalyptic number.

It is an amenable number.

240166257457145 is a deficient number, since it is larger than the sum of its proper divisors (48209304958159).

240166257457145 is a wasteful number, since it uses less digits than its factorization.

240166257457145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29342244459.

The product of its (nonzero) digits is 56448000, while the sum is 59.

The spelling of 240166257457145 in words is "two hundred forty trillion, one hundred sixty-six billion, two hundred fifty-seven million, four hundred fifty-seven thousand, one hundred forty-five".