155152242254 has 4 divisors (see below), whose sum is σ = 232728363384. Its totient is φ = 77576121126.

The previous prime is 155152242233. The next prime is 155152242293. The reversal of 155152242254 is 452242251551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 452242251551 = 50329 ⋅8985719.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38788060562 + ... + 38788060565.

It is an arithmetic number, because the mean of its divisors is an integer number (58182090846).

Almost surely, 2^155152242254 is an apocalyptic number.

155152242254 is a deficient number, since it is larger than the sum of its proper divisors (77576121130).

155152242254 is an equidigital number, since it uses as much as digits as its factorization.

155152242254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77576121129.

The product of its digits is 160000, while the sum is 38.

The spelling of 155152242254 in words is "one hundred fifty-five billion, one hundred fifty-two million, two hundred forty-two thousand, two hundred fifty-four".