1452158639 has 2 divisors, whose sum is σ = 1452158640. Its totient is φ = 1452158638.

The previous prime is 1452158611. The next prime is 1452158641. The reversal of 1452158639 is 9368512541.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1452158639 - 2²⁸ = 1183723183 is a prime.

Together with 1452158641, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1452158639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1452158039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726079319 + 726079320.

It is an arithmetic number, because the mean of its divisors is an integer number (726079320).

Almost surely, 2^1452158639 is an apocalyptic number.

1452158639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1452158639 is an equidigital number, since it uses as much as digits as its factorization.

1452158639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 44.

The square root of 1452158639 is about 38107.1993066927. The cubic root of 1452158639 is about 1132.4125860080.

The spelling of 1452158639 in words is "one billion, four hundred fifty-two million, one hundred fifty-eight thousand, six hundred thirty-nine".