155256654 has 32 divisors (see below), whose sum is σ = 356057856. Its totient is φ = 44210880.

The previous prime is 155256643. The next prime is 155256667. The reversal of 155256654 is 456652551.

It is a happy number.

It is a super-2 number, since 2×155256654² = 48209257222551432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6874 + ... + 18914.

It is an arithmetic number, because the mean of its divisors is an integer number (11126808).

Almost surely, 2^155256654 is an apocalyptic number.

155256654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

155256654 is an abundant number, since it is smaller than the sum of its proper divisors (200801202).

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

155256654 is a wasteful number, since it uses less digits than its factorization.

155256654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12360.

The product of its digits is 180000, while the sum is 39.

The square root of 155256654 is about 12460.2028073382. The cubic root of 155256654 is about 537.4648589970.

The spelling of 155256654 in words is "one hundred fifty-five million, two hundred fifty-six thousand, six hundred fifty-four".