155420006 has 8 divisors (see below), whose sum is σ = 266434320. Its totient is φ = 66608568.

The previous prime is 155419987. The next prime is 155420021. The reversal of 155420006 is 600024551.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5550701 + ... + 5550728.

It is an arithmetic number, because the mean of its divisors is an integer number (33304290).

Almost surely, 2^155420006 is an apocalyptic number.

155420006 is a deficient number, since it is larger than the sum of its proper divisors (111014314).

155420006 is a wasteful number, since it uses less digits than its factorization.

155420006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11101438.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 155420006 is about 12466.7560335478. The cubic root of 155420006 is about 537.6532893242.

Adding to 155420006 its reverse (600024551), we get a palindrome (755444557).

The spelling of 155420006 in words is "one hundred fifty-five million, four hundred twenty thousand, six".