153274481 has 2 divisors, whose sum is σ = 153274482. Its totient is φ = 153274480.

The previous prime is 153274439. The next prime is 153274531. The reversal of 153274481 is 184472351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146797456 + 6477025 = 12116^2 + 2545^2 .

It is a cyclic number.

It is not a de Polignac number, because 153274481 - 2¹⁸ = 153012337 is a prime.

It is a super-2 number, since 2×153274481² = 46986133051638722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (153274421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76637240 + 76637241.

It is an arithmetic number, because the mean of its divisors is an integer number (76637241).

Almost surely, 2^153274481 is an apocalyptic number.

It is an amenable number.

153274481 is a deficient number, since it is larger than the sum of its proper divisors (1).

153274481 is an equidigital number, since it uses as much as digits as its factorization.

153274481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 35.

The square root of 153274481 is about 12380.4071419320. The cubic root of 153274481 is about 535.1677710649.

The spelling of 153274481 in words is "one hundred fifty-three million, two hundred seventy-four thousand, four hundred eighty-one".