155004875 has 8 divisors (see below), whose sum is σ = 193446240. Its totient is φ = 124003800.

The previous prime is 155004851. The next prime is 155004893. The reversal of 155004875 is 578400551.

It is not a de Polignac number, because 155004875 - 2¹⁰ = 155003851 is a prime.

It is a super-2 number, since 2×155004875² = 48053022547531250, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619895 + ... + 620144.

It is an arithmetic number, because the mean of its divisors is an integer number (24180780).

Almost surely, 2^155004875 is an apocalyptic number.

155004875 is a deficient number, since it is larger than the sum of its proper divisors (38441365).

155004875 is an equidigital number, since it uses as much as digits as its factorization.

155004875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240054 (or 1240044 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 155004875 is about 12450.0953811607. The cubic root of 155004875 is about 537.1741670411.

The spelling of 155004875 in words is "one hundred fifty-five million, four thousand, eight hundred seventy-five".