154420851461 has 16 divisors (see below), whose sum is σ = 155978811648. Its totient is φ = 152873318400.

The previous prime is 154420851451. The next prime is 154420851491. The reversal of 154420851461 is 164158024451.

It is a cyclic number.

It is not a de Polignac number, because 154420851461 - 2³⁰ = 153347109637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154420851451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29517716 + ... + 29522946.

It is an arithmetic number, because the mean of its divisors is an integer number (9748675728).

Almost surely, 2^154420851461 is an apocalyptic number.

It is an amenable number.

154420851461 is a deficient number, since it is larger than the sum of its proper divisors (1557960187).

154420851461 is a wasteful number, since it uses less digits than its factorization.

154420851461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6172.

The product of its (nonzero) digits is 153600, while the sum is 41.

The spelling of 154420851461 in words is "one hundred fifty-four billion, four hundred twenty million, eight hundred fifty-one thousand, four hundred sixty-one".