3145477890 has 16 divisors (see below), whose sum is σ = 7549147008. Its totient is φ = 838794096.

The previous prime is 3145477889. The next prime is 3145477891. The reversal of 3145477890 is 987745413.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3145477889) and next prime (3145477891).

It is not an unprimeable number, because it can be changed into a prime (3145477891) by changing a digit.

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, 52424602 + ... + 52424661.

It is an arithmetic number, because the mean of its divisors is an integer number (471821688).

Almost surely, 2^3145477890 is an apocalyptic number.

3145477890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3145477890 is an abundant number, since it is smaller than the sum of its proper divisors (4403669118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3145477890 is a wasteful number, since it uses less digits than its factorization.

3145477890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104849273.

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 3145477890 is about 56084.5601747932. The cubic root of 3145477890 is about 1465.1953969088.

The spelling of 3145477890 in words is "three billion, one hundred forty-five million, four hundred seventy-seven thousand, eight hundred ninety".