7485155 has 4 divisors (see below), whose sum is σ = 8982192. Its totient is φ = 5988120.

The previous prime is 7485133. The next prime is 7485187. The reversal of 7485155 is 5515847.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5515847 = 1019 ⋅5413.

It is not a de Polignac number, because 7485155 - 2⁶ = 7485091 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 748511 + ... + 748520.

It is an arithmetic number, because the mean of its divisors is an integer number (2245548).

Almost surely, 2^7485155 is an apocalyptic number.

7485155 is a deficient number, since it is larger than the sum of its proper divisors (1497037).

7485155 is a wasteful number, since it uses less digits than its factorization.

7485155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497036.

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

The square root of 7485155 is about 2735.9011312546. The cubic root of 7485155 is about 195.6141496226.

The spelling of 7485155 in words is "seven million, four hundred eighty-five thousand, one hundred fifty-five".