838148153 has 2 divisors, whose sum is σ = 838148154. Its totient is φ = 838148152.

The previous prime is 838148137. The next prime is 838148167. The reversal of 838148153 is 351841838.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 601819024 + 236329129 = 24532^2 + 15373^2 .

It is a cyclic number.

It is not a de Polignac number, because 838148153 - 2⁴ = 838148137 is a prime.

It is a super-2 number, since 2×838148153² = 1404984652754622818, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 838148153.

It is not a weakly prime, because it can be changed into another prime (838148173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419074076 + 419074077.

It is an arithmetic number, because the mean of its divisors is an integer number (419074077).

Almost surely, 2^838148153 is an apocalyptic number.

It is an amenable number.

838148153 is a deficient number, since it is larger than the sum of its proper divisors (1).

838148153 is an equidigital number, since it uses as much as digits as its factorization.

838148153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92160, while the sum is 41.

The square root of 838148153 is about 28950.7884694010. The cubic root of 838148153 is about 942.8449170646.

The spelling of 838148153 in words is "eight hundred thirty-eight million, one hundred forty-eight thousand, one hundred fifty-three".