152105091 has 8 divisors (see below), whose sum is σ = 204815184. Its totient is φ = 100399200.

The previous prime is 152105077. The next prime is 152105117. The reversal of 152105091 is 190501251.

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

It is not a de Polignac number, because 152105091 - 2⁶ = 152105027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (152107091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250696 + ... + 251301.

It is an arithmetic number, because the mean of its divisors is an integer number (25601898).

Almost surely, 2^152105091 is an apocalyptic number.

152105091 is a deficient number, since it is larger than the sum of its proper divisors (52710093).

152105091 is a wasteful number, since it uses less digits than its factorization.

152105091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502101.

The product of its (nonzero) digits is 450, while the sum is 24.

The square root of 152105091 is about 12333.0892723599. The cubic root of 152105091 is about 533.8032948299.

It can be divided in two parts, 15210 and 5091, that added together give a triangular number (20301 = T₂₀₁).

The spelling of 152105091 in words is "one hundred fifty-two million, one hundred five thousand, ninety-one".