154380697 has 2 divisors, whose sum is σ = 154380698. Its totient is φ = 154380696.

The previous prime is 154380683. The next prime is 154380727. The reversal of 154380697 is 796083451.

154380697 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., 135117376 + 19263321 = 11624^2 + 4389^2 .

It is a cyclic number.

It is not a de Polignac number, because 154380697 - 2¹⁵ = 154347929 is a prime.

It is not a weakly prime, because it can be changed into another prime (154380607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77190348 + 77190349.

It is an arithmetic number, because the mean of its divisors is an integer number (77190349).

Almost surely, 2^154380697 is an apocalyptic number.

It is an amenable number.

154380697 is a deficient number, since it is larger than the sum of its proper divisors (1).

154380697 is an equidigital number, since it uses as much as digits as its factorization.

154380697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 154380697 is about 12425.0028973840. The cubic root of 154380697 is about 536.4521610147.

The spelling of 154380697 in words is "one hundred fifty-four million, three hundred eighty thousand, six hundred ninety-seven".