150621077 has 2 divisors, whose sum is σ = 150621078. Its totient is φ = 150621076.

The previous prime is 150621073. The next prime is 150621137. The reversal of 150621077 is 770126051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80748196 + 69872881 = 8986^2 + 8359^2 .

It is an emirp because it is prime and its reverse (770126051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 150621077 - 2² = 150621073 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150621073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75310538 + 75310539.

It is an arithmetic number, because the mean of its divisors is an integer number (75310539).

Almost surely, 2^150621077 is an apocalyptic number.

It is an amenable number.

150621077 is a deficient number, since it is larger than the sum of its proper divisors (1).

150621077 is an equidigital number, since it uses as much as digits as its factorization.

150621077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 150621077 is about 12272.7778844074. Note that the first 3 decimals coincide. The cubic root of 150621077 is about 532.0616001277.

The spelling of 150621077 in words is "one hundred fifty million, six hundred twenty-one thousand, seventy-seven".