154211542156106 has 8 divisors (see below), whose sum is σ = 232869778424100. Its totient is φ = 76588282681408.

The previous prime is 154211542156099. The next prime is 154211542156129. The reversal of 154211542156106 is 601651245112451.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 133218110260225 + 20993431895881 = 11542015^2 + 4581859^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258744197951 + ... + 258744198546.

Almost surely, 2^{154211542156106} is an apocalyptic number.

154211542156106 is a deficient number, since it is larger than the sum of its proper divisors (78658236267994).

154211542156106 is a wasteful number, since it uses less digits than its factorization.

154211542156106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517488396648.

The product of its (nonzero) digits is 288000, while the sum is 44.

Adding to 154211542156106 its reverse (601651245112451), we get a palindrome (755862787268557).

The spelling of 154211542156106 in words is "one hundred fifty-four trillion, two hundred eleven billion, five hundred forty-two million, one hundred fifty-six thousand, one hundred six".