155131153 has 2 divisors, whose sum is σ = 155131154. Its totient is φ = 155131152.

The previous prime is 155131147. The next prime is 155131157. The reversal of 155131153 is 351131551.

It is a happy number.

155131153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85525504 + 69605649 = 9248^2 + 8343^2 .

It is an emirp because it is prime and its reverse (351131551) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155131153 is a prime.

It is a super-2 number, since 2×155131153² = 48131349262218818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (155131157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77565576 + 77565577.

It is an arithmetic number, because the mean of its divisors is an integer number (77565577).

Almost surely, 2^155131153 is an apocalyptic number.

It is an amenable number.

155131153 is a deficient number, since it is larger than the sum of its proper divisors (1).

155131153 is an equidigital number, since it uses as much as digits as its factorization.

155131153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1125, while the sum is 25.

The square root of 155131153 is about 12455.1657154773. The cubic root of 155131153 is about 537.3200008784.

The spelling of 155131153 in words is "one hundred fifty-five million, one hundred thirty-one thousand, one hundred fifty-three".