150687091 has 2 divisors, whose sum is σ = 150687092. Its totient is φ = 150687090.

The previous prime is 150687077. The next prime is 150687107. The reversal of 150687091 is 190786051.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 150687091 - 2⁵ = 150687059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 150687091.

It is not a weakly prime, because it can be changed into another prime (150687041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75343545 + 75343546.

It is an arithmetic number, because the mean of its divisors is an integer number (75343546).

Almost surely, 2^150687091 is an apocalyptic number.

150687091 is a deficient number, since it is larger than the sum of its proper divisors (1).

150687091 is an equidigital number, since it uses as much as digits as its factorization.

150687091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 150687091 is about 12275.4670379583. The cubic root of 150687091 is about 532.1393191852.

It can be divided in two parts, 150 and 687091, that added together give a square (687241 = 829²).

The spelling of 150687091 in words is "one hundred fifty million, six hundred eighty-seven thousand, ninety-one".