154520983 has 2 divisors, whose sum is σ = 154520984. Its totient is φ = 154520982.

The previous prime is 154520963. The next prime is 154521049. The reversal of 154520983 is 389025451.

It is a weak prime.

It is an emirp because it is prime and its reverse (389025451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 154520983 - 2¹³ = 154512791 is a prime.

It is equal to p_8684146 and since 154520983 and 8684146 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154520963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77260491 + 77260492.

It is an arithmetic number, because the mean of its divisors is an integer number (77260492).

Almost surely, 2^154520983 is an apocalyptic number.

154520983 is a deficient number, since it is larger than the sum of its proper divisors (1).

154520983 is an equidigital number, since it uses as much as digits as its factorization.

154520983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 154520983 is about 12430.6469260453. The cubic root of 154520983 is about 536.6146034822.

The spelling of 154520983 in words is "one hundred fifty-four million, five hundred twenty thousand, nine hundred eighty-three".