154446013 has 2 divisors, whose sum is σ = 154446014. Its totient is φ = 154446012.

The previous prime is 154446007. The next prime is 154446043. The reversal of 154446013 is 310644451.

154446013 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., 124612569 + 29833444 = 11163^2 + 5462^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154446013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154446043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77223006 + 77223007.

It is an arithmetic number, because the mean of its divisors is an integer number (77223007).

Almost surely, 2^154446013 is an apocalyptic number.

It is an amenable number.

154446013 is a deficient number, since it is larger than the sum of its proper divisors (1).

154446013 is an equidigital number, since it uses as much as digits as its factorization.

154446013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 154446013 is about 12427.6310292831. The cubic root of 154446013 is about 536.5278051199.

The spelling of 154446013 in words is "one hundred fifty-four million, four hundred forty-six thousand, thirteen".