154856701 has 2 divisors, whose sum is σ = 154856702. Its totient is φ = 154856700.

The previous prime is 154856699. The next prime is 154856753. The reversal of 154856701 is 107658451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127712601 + 27144100 = 11301^2 + 5210^2 .

It is an emirp because it is prime and its reverse (107658451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 154856701 - 2¹ = 154856699 is a prime.

Together with 154856699, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154856761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77428350 + 77428351.

It is an arithmetic number, because the mean of its divisors is an integer number (77428351).

Almost surely, 2^154856701 is an apocalyptic number.

It is an amenable number.

154856701 is a deficient number, since it is larger than the sum of its proper divisors (1).

154856701 is an equidigital number, since it uses as much as digits as its factorization.

154856701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 154856701 is about 12444.1432408985. The cubic root of 154856701 is about 537.0029452843.

The spelling of 154856701 in words is "one hundred fifty-four million, eight hundred fifty-six thousand, seven hundred one".