150077971 has 4 divisors (see below), whose sum is σ = 150312744. Its totient is φ = 149843200.

The previous prime is 150077969. The next prime is 150077981. The reversal of 150077971 is 179770051.

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 150077971 - 2¹ = 150077969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 150077971.

It is not an unprimeable number, because it can be changed into a prime (150077911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116425 + ... + 117706.

It is an arithmetic number, because the mean of its divisors is an integer number (37578186).

Almost surely, 2^150077971 is an apocalyptic number.

150077971 is a deficient number, since it is larger than the sum of its proper divisors (234773).

150077971 is an equidigital number, since it uses as much as digits as its factorization.

150077971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234772.

The product of its (nonzero) digits is 15435, while the sum is 37.

The square root of 150077971 is about 12250.6314531129. The cubic root of 150077971 is about 531.4213314791.

The spelling of 150077971 in words is "one hundred fifty million, seventy-seven thousand, nine hundred seventy-one".