83215154 has 8 divisors (see below), whose sum is σ = 136170288. Its totient is φ = 37825060.

The previous prime is 83215091. The next prime is 83215169. The reversal of 83215154 is 45151238.

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

It is a Curzon number.

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, 1891232 + ... + 1891275.

It is an arithmetic number, because the mean of its divisors is an integer number (17021286).

Almost surely, 2^83215154 is an apocalyptic number.

83215154 is a deficient number, since it is larger than the sum of its proper divisors (52955134).

83215154 is a wasteful number, since it uses less digits than its factorization.

83215154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3782520.

The product of its digits is 4800, while the sum is 29.

The square root of 83215154 is about 9122.2340465480. The cubic root of 83215154 is about 436.5836563714.

The spelling of 83215154 in words is "eighty-three million, two hundred fifteen thousand, one hundred fifty-four".