155156406 has 8 divisors (see below), whose sum is σ = 310312824. Its totient is φ = 51718800.

The previous prime is 155156401. The next prime is 155156411. The reversal of 155156406 is 604651551.

It is an interprime number because it is at equal distance from previous prime (155156401) and next prime (155156411).

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

155156406 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155156401) 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, 12929695 + ... + 12929706.

It is an arithmetic number, because the mean of its divisors is an integer number (38789103).

Almost surely, 2^155156406 is an apocalyptic number.

155156406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

155156406 is a wasteful number, since it uses less digits than its factorization.

155156406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25859406.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 155156406 is about 12456.1794303069. The cubic root of 155156406 is about 537.3491551467.

The spelling of 155156406 in words is "one hundred fifty-five million, one hundred fifty-six thousand, four hundred six".