154055131 has 2 divisors, whose sum is σ = 154055132. Its totient is φ = 154055130.

The previous prime is 154055093. The next prime is 154055147. The reversal of 154055131 is 131550451.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (131550451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 154055131 - 2²¹ = 151957979 is a prime.

It is a super-2 number, since 2×154055131² = 47465966774854322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 154055096 and 154055105.

It is not a weakly prime, because it can be changed into another prime (154055171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77027565 + 77027566.

It is an arithmetic number, because the mean of its divisors is an integer number (77027566).

Almost surely, 2^154055131 is an apocalyptic number.

154055131 is a deficient number, since it is larger than the sum of its proper divisors (1).

154055131 is an equidigital number, since it uses as much as digits as its factorization.

154055131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 154055131 is about 12411.8947385160. The cubic root of 154055131 is about 536.0747962655.

The spelling of 154055131 in words is "one hundred fifty-four million, fifty-five thousand, one hundred thirty-one".