3102140545 has 32 divisors (see below), whose sum is σ = 4519468800. Its totient is φ = 1996690176.

The previous prime is 3102140537. The next prime is 3102140557. The reversal of 3102140545 is 5450412013.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3102140545 - 2³ = 3102140537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51087 + ... + 93883.

It is an arithmetic number, because the mean of its divisors is an integer number (141233400).

Almost surely, 2^3102140545 is an apocalyptic number.

3102140545 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3102140545 is a deficient number, since it is larger than the sum of its proper divisors (1417328255).

3102140545 is a wasteful number, since it uses less digits than its factorization.

3102140545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42937.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 3102140545 is about 55696.8629727025. The cubic root of 3102140545 is about 1458.4352637833.

Adding to 3102140545 its reverse (5450412013), we get a palindrome (8552552558).

The spelling of 3102140545 in words is "three billion, one hundred two million, one hundred forty thousand, five hundred forty-five".