154553147109 has 12 divisors (see below), whose sum is σ = 223266335136. Its totient is φ = 103024861992.

The previous prime is 154553147101. The next prime is 154553147117. The reversal of 154553147109 is 901741355451.

154553147109 is a `hidden beast` number, since 1 + 5 + 4 + 5 + 531 + 4 + 7 + 109 = 666.

It is an interprime number because it is at equal distance from previous prime (154553147101) and next prime (154553147117).

It is not a de Polignac number, because 154553147109 - 2³ = 154553147101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154553147101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 787657 + ... + 964110.

It is an arithmetic number, because the mean of its divisors is an integer number (18605527928).

Almost surely, 2^154553147109 is an apocalyptic number.

It is an amenable number.

154553147109 is a deficient number, since it is larger than the sum of its proper divisors (68713188027).

154553147109 is a wasteful number, since it uses less digits than its factorization.

154553147109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761576 (or 1761573 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The spelling of 154553147109 in words is "one hundred fifty-four billion, five hundred fifty-three million, one hundred forty-seven thousand, one hundred nine".