154485497 has 2 divisors, whose sum is σ = 154485498. Its totient is φ = 154485496.

The previous prime is 154485481. The next prime is 154485547. The reversal of 154485497 is 794584451.

It is a happy number.

154485497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111175936 + 43309561 = 10544^2 + 6581^2 .

It is a cyclic number.

It is not a de Polignac number, because 154485497 - 2⁴ = 154485481 is a prime.

It is not a weakly prime, because it can be changed into another prime (154485427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77242748 + 77242749.

It is an arithmetic number, because the mean of its divisors is an integer number (77242749).

Almost surely, 2^154485497 is an apocalyptic number.

It is an amenable number.

154485497 is a deficient number, since it is larger than the sum of its proper divisors (1).

154485497 is an equidigital number, since it uses as much as digits as its factorization.

154485497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 806400, while the sum is 47.

The square root of 154485497 is about 12429.2194847464. The cubic root of 154485497 is about 536.5735221927.

The spelling of 154485497 in words is "one hundred fifty-four million, four hundred eighty-five thousand, four hundred ninety-seven".