154340456 has 16 divisors (see below), whose sum is σ = 289521540. Its totient is φ = 77134720.

The previous prime is 154340447. The next prime is 154340491. The reversal of 154340456 is 654043451.

It can be written as a sum of positive squares in 2 ways, for example, as 113763556 + 40576900 = 10666^2 + 6370^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27836 + ... + 32916.

Almost surely, 2^154340456 is an apocalyptic number.

It is an amenable number.

154340456 is a deficient number, since it is larger than the sum of its proper divisors (135181084).

154340456 is a wasteful number, since it uses less digits than its factorization.

154340456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8884 (or 8880 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 154340456 is about 12423.3834360854. The cubic root of 154340456 is about 536.4055462764.

The spelling of 154340456 in words is "one hundred fifty-four million, three hundred forty thousand, four hundred fifty-six".