152142049 has 2 divisors, whose sum is σ = 152142050. Its totient is φ = 152142048.

The previous prime is 152142047. The next prime is 152142073. The reversal of 152142049 is 940241251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138768400 + 13373649 = 11780^2 + 3657^2 .

It is a cyclic number.

It is not a de Polignac number, because 152142049 - 2¹ = 152142047 is a prime.

Together with 152142047, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (152142047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76071024 + 76071025.

It is an arithmetic number, because the mean of its divisors is an integer number (76071025).

Almost surely, 2^152142049 is an apocalyptic number.

It is an amenable number.

152142049 is a deficient number, since it is larger than the sum of its proper divisors (1).

152142049 is an equidigital number, since it uses as much as digits as its factorization.

152142049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 152142049 is about 12334.5875083036. The cubic root of 152142049 is about 533.8465252579.

The spelling of 152142049 in words is "one hundred fifty-two million, one hundred forty-two thousand, forty-nine".