155451006 has 12 divisors (see below), whose sum is σ = 336810552. Its totient is φ = 51816996.

The previous prime is 155451001. The next prime is 155451029. The reversal of 155451006 is 600154551.

It is a happy number.

155451006 is a `hidden beast` number, since 1 + 554 + 5 + 100 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155451001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4318066 + ... + 4318101.

It is an arithmetic number, because the mean of its divisors is an integer number (28067546).

Almost surely, 2^155451006 is an apocalyptic number.

155451006 is an abundant number, since it is smaller than the sum of its proper divisors (181359546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155451006 is a wasteful number, since it uses less digits than its factorization.

155451006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8636175 (or 8636172 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 155451006 is about 12467.9992781520. Note that the first 3 decimals coincide. The cubic root of 155451006 is about 537.6890336371.

The spelling of 155451006 in words is "one hundred fifty-five million, four hundred fifty-one thousand, six".