150556061 has 2 divisors, whose sum is σ = 150556062. Its totient is φ = 150556060.

The previous prime is 150555989. The next prime is 150556069. The reversal of 150556061 is 160655051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142324900 + 8231161 = 11930^2 + 2869^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150556061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150556069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75278030 + 75278031.

It is an arithmetic number, because the mean of its divisors is an integer number (75278031).

Almost surely, 2^150556061 is an apocalyptic number.

It is an amenable number.

150556061 is a deficient number, since it is larger than the sum of its proper divisors (1).

150556061 is an equidigital number, since it uses as much as digits as its factorization.

150556061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 150556061 is about 12270.1288094298. The cubic root of 150556061 is about 531.9850338281.

The spelling of 150556061 in words is "one hundred fifty million, five hundred fifty-six thousand, sixty-one".