3146155238 has 4 divisors (see below), whose sum is σ = 4719232860. Its totient is φ = 1573077618.

The previous prime is 3146155237. The next prime is 3146155253. The reversal of 3146155238 is 8325516413.

It is a happy number.

3146155238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8325516413 = 67 ⋅124261439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3146155237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 786538808 + ... + 786538811.

It is an arithmetic number, because the mean of its divisors is an integer number (1179808215).

Almost surely, 2^3146155238 is an apocalyptic number.

3146155238 is a deficient number, since it is larger than the sum of its proper divisors (1573077622).

3146155238 is a wasteful number, since it uses less digits than its factorization.

3146155238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573077621.

The product of its digits is 86400, while the sum is 38.

The square root of 3146155238 is about 56090.5984813855. The cubic root of 3146155238 is about 1465.3005612089.

The spelling of 3146155238 in words is "three billion, one hundred forty-six million, one hundred fifty-five thousand, two hundred thirty-eight".