151015091 has 4 divisors (see below), whose sum is σ = 151050432. Its totient is φ = 150979752.

The previous prime is 151015087. The next prime is 151015103. The reversal of 151015091 is 190510151.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 151015091 - 2² = 151015087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151015061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10211 + ... + 20156.

It is an arithmetic number, because the mean of its divisors is an integer number (37762608).

Almost surely, 2^151015091 is an apocalyptic number.

151015091 is a deficient number, since it is larger than the sum of its proper divisors (35341).

151015091 is an equidigital number, since it uses as much as digits as its factorization.

151015091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35340.

The product of its (nonzero) digits is 225, while the sum is 23.

The square root of 151015091 is about 12288.8197561849. The cubic root of 151015091 is about 532.5251412377.

The spelling of 151015091 in words is "one hundred fifty-one million, fifteen thousand, ninety-one".