154162413557 has 4 divisors (see below), whose sum is σ = 155144339916. Its totient is φ = 153180487200.

The previous prime is 154162413481. The next prime is 154162413577. The reversal of 154162413557 is 755314261451.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 755314261451 = 131 ⋅5765757721.

It can be written as a sum of positive squares in 2 ways, for example, as 47234067556 + 106928346001 = 217334^2 + 326999^2 .

It is a cyclic number.

It is not a de Polignac number, because 154162413557 - 2¹⁰ = 154162412533 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 (154162413577) 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, 490962944 + ... + 490963257.

It is an arithmetic number, because the mean of its divisors is an integer number (38786084979).

Almost surely, 2^154162413557 is an apocalyptic number.

It is an amenable number.

154162413557 is a deficient number, since it is larger than the sum of its proper divisors (981926359).

154162413557 is an equidigital number, since it uses as much as digits as its factorization.

154162413557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981926358.

The product of its digits is 504000, while the sum is 44.

The spelling of 154162413557 in words is "one hundred fifty-four billion, one hundred sixty-two million, four hundred thirteen thousand, five hundred fifty-seven".