150074581 has 2 divisors, whose sum is σ = 150074582. Its totient is φ = 150074580.

The previous prime is 150074569. The next prime is 150074593. The reversal of 150074581 is 185470051.

It is a balanced prime because it is at equal distance from previous prime (150074569) and next prime (150074593).

It can be written as a sum of positive squares in only one way, i.e., 89000356 + 61074225 = 9434^2 + 7815^2 .

It is a cyclic number.

It is not a de Polignac number, because 150074581 - 2⁵ = 150074549 is a prime.

It is a super-2 number, since 2×150074581² = 45044759724651122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150074531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75037290 + 75037291.

It is an arithmetic number, because the mean of its divisors is an integer number (75037291).

Almost surely, 2^150074581 is an apocalyptic number.

It is an amenable number.

150074581 is a deficient number, since it is larger than the sum of its proper divisors (1).

150074581 is an equidigital number, since it uses as much as digits as its factorization.

150074581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 150074581 is about 12250.4930921167. The cubic root of 150074581 is about 531.4173301548.

The spelling of 150074581 in words is "one hundred fifty million, seventy-four thousand, five hundred eighty-one".