145740347871 has 16 divisors (see below), whose sum is σ = 199290792960. Its totient is φ = 94680562880.

The previous prime is 145740347867. The next prime is 145740347887. The reversal of 145740347871 is 178743047541.

It is a cyclic number.

It is not a de Polignac number, because 145740347871 - 2² = 145740347867 is a prime.

It is a super-3 number, since 3×145740347871³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145740347801) 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, 580341 + ... + 792638.

It is an arithmetic number, because the mean of its divisors is an integer number (12455674560).

Almost surely, 2^145740347871 is an apocalyptic number.

145740347871 is a deficient number, since it is larger than the sum of its proper divisors (53550445089).

145740347871 is a wasteful number, since it uses less digits than its factorization.

145740347871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373886.

The product of its (nonzero) digits is 2634240, while the sum is 51.

The spelling of 145740347871 in words is "one hundred forty-five billion, seven hundred forty million, three hundred forty-seven thousand, eight hundred seventy-one".