153239081 has 2 divisors, whose sum is σ = 153239082. Its totient is φ = 153239080.

The previous prime is 153239069. The next prime is 153239101. The reversal of 153239081 is 180932351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105904681 + 47334400 = 10291^2 + 6880^2 .

It is an emirp because it is prime and its reverse (180932351) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153239081 is a prime.

It is a super-2 number, since 2×153239081² = 46964431891449122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (153239981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76619540 + 76619541.

It is an arithmetic number, because the mean of its divisors is an integer number (76619541).

Almost surely, 2^153239081 is an apocalyptic number.

It is an amenable number.

153239081 is a deficient number, since it is larger than the sum of its proper divisors (1).

153239081 is an equidigital number, since it uses as much as digits as its factorization.

153239081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 153239081 is about 12378.9773810279. The cubic root of 153239081 is about 535.1265674289.

The spelling of 153239081 in words is "one hundred fifty-three million, two hundred thirty-nine thousand, eighty-one".