150611481 has 20 divisors (see below), whose sum is σ = 225366372. Its totient is φ = 100238688.

The previous prime is 150611467. The next prime is 150611507. The reversal of 150611481 is 184116051.

150611481 is a `hidden beast` number, since 1 + 5 + 0 + 611 + 48 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 62157456 + 88454025 = 7884^2 + 9405^2 .

It is not a de Polignac number, because 150611481 - 2⁷ = 150611353 is a prime.

It is a super-2 number, since 2×150611481² = 45367636418026722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (150611401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 63391 + ... + 65723.

Almost surely, 2^150611481 is an apocalyptic number.

It is an amenable number.

150611481 is a deficient number, since it is larger than the sum of its proper divisors (74754891).

150611481 is an equidigital number, since it uses as much as digits as its factorization.

150611481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142 (or 3133 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 150611481 is about 12272.3869316446. The cubic root of 150611481 is about 532.0503007539.

The spelling of 150611481 in words is "one hundred fifty million, six hundred eleven thousand, four hundred eighty-one".