155267473 has 4 divisors (see below), whose sum is σ = 155301300. Its totient is φ = 155233648.

The previous prime is 155267447. The next prime is 155267491. The reversal of 155267473 is 374762551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 374762551 = 8093 ⋅46307.

It can be written as a sum of positive squares in 2 ways, for example, as 90497169 + 64770304 = 9513^2 + 8048^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155267473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155261473) 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, 8698 + ... + 19651.

It is an arithmetic number, because the mean of its divisors is an integer number (38825325).

Almost surely, 2^155267473 is an apocalyptic number.

It is an amenable number.

155267473 is a deficient number, since it is larger than the sum of its proper divisors (33827).

155267473 is an equidigital number, since it uses as much as digits as its factorization.

155267473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33826.

The product of its digits is 176400, while the sum is 40.

The square root of 155267473 is about 12460.6369419866. The cubic root of 155267473 is about 537.4773430507.

The spelling of 155267473 in words is "one hundred fifty-five million, two hundred sixty-seven thousand, four hundred seventy-three".