83154245138 has 8 divisors (see below), whose sum is σ = 124732754688. Its totient is φ = 41576660244.

The previous prime is 83154245107. The next prime is 83154245159.

83154245138 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74495 + ... + 414557.

It is an arithmetic number, because the mean of its divisors is an integer number (15591594336).

Almost surely, 2^83154245138 is an apocalyptic number.

83154245138 is a deficient number, since it is larger than the sum of its proper divisors (41578509550).

83154245138 is a wasteful number, since it uses less digits than its factorization.

83154245138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462328.

The product of its digits is 460800, while the sum is 44.

The spelling of 83154245138 in words is "eighty-three billion, one hundred fifty-four million, two hundred forty-five thousand, one hundred thirty-eight".