154102145400461 has 4 divisors (see below), whose sum is σ = 156213133693692. Its totient is φ = 151991157107232.

The previous prime is 154102145400353. The next prime is 154102145400499. The reversal of 154102145400461 is 164004541201451.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 107569692439561 + 46532452960900 = 10371581^2 + 6821470^2 .

It is a cyclic number.

It is not a de Polignac number, because 154102145400461 - 2¹⁰ = 154102145399437 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 (154102145400061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055494146506 + ... + 1055494146651.

It is an arithmetic number, because the mean of its divisors is an integer number (39053283423423).

Almost surely, 2^{154102145400461} is an apocalyptic number.

It is an amenable number.

154102145400461 is a deficient number, since it is larger than the sum of its proper divisors (2110988293231).

154102145400461 is an equidigital number, since it uses as much as digits as its factorization.

154102145400461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110988293230.

The product of its (nonzero) digits is 76800, while the sum is 38.

The spelling of 154102145400461 in words is "one hundred fifty-four trillion, one hundred two billion, one hundred forty-five million, four hundred thousand, four hundred sixty-one".