152453989 has 2 divisors, whose sum is σ = 152453990. Its totient is φ = 152453988.

The previous prime is 152453927. The next prime is 152454007. The reversal of 152453989 is 989354251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136188900 + 16265089 = 11670^2 + 4033^2 .

It is an emirp because it is prime and its reverse (989354251) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152453989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152453089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76226994 + 76226995.

It is an arithmetic number, because the mean of its divisors is an integer number (76226995).

Almost surely, 2^152453989 is an apocalyptic number.

It is an amenable number.

152453989 is a deficient number, since it is larger than the sum of its proper divisors (1).

152453989 is an equidigital number, since it uses as much as digits as its factorization.

152453989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 46.

The square root of 152453989 is about 12347.2259637540. The cubic root of 152453989 is about 534.2111283895.

The spelling of 152453989 in words is "one hundred fifty-two million, four hundred fifty-three thousand, nine hundred eighty-nine".