155040263246243 has 8 divisors (see below), whose sum is σ = 155054140685136. Its totient is φ = 155026386345600.

The previous prime is 155040263246201. The next prime is 155040263246251. The reversal of 155040263246243 is 342642362040551.

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 155040263246243 - 2¹⁶ = 155040263180707 is a prime.

It is a super-3 number, since 3×155040263246243³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155040263242243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 755561048 + ... + 755766218.

It is an arithmetic number, because the mean of its divisors is an integer number (19381767585642).

Almost surely, 2^{155040263246243} is an apocalyptic number.

155040263246243 is a deficient number, since it is larger than the sum of its proper divisors (13877438893).

155040263246243 is a wasteful number, since it uses less digits than its factorization.

155040263246243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269125.

The product of its (nonzero) digits is 4147200, while the sum is 47.

The spelling of 155040263246243 in words is "one hundred fifty-five trillion, forty billion, two hundred sixty-three million, two hundred forty-six thousand, two hundred forty-three".