155493281467 has 4 divisors (see below), whose sum is σ = 155993260176. Its totient is φ = 154993302760.

The previous prime is 155493281453. The next prime is 155493281479. The reversal of 155493281467 is 764182394551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 764182394551 = 19 ⋅40220126029.

It is a cyclic number.

It is not a de Polignac number, because 155493281467 - 2³¹ = 153345797819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155493281417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249988888 + ... + 249989509.

It is an arithmetic number, because the mean of its divisors is an integer number (38998315044).

Almost surely, 2^155493281467 is an apocalyptic number.

155493281467 is a deficient number, since it is larger than the sum of its proper divisors (499978709).

155493281467 is an equidigital number, since it uses as much as digits as its factorization.

155493281467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499978708.

The product of its digits is 7257600, while the sum is 55.

The spelling of 155493281467 in words is "one hundred fifty-five billion, four hundred ninety-three million, two hundred eighty-one thousand, four hundred sixty-seven".