155489084 has 12 divisors (see below), whose sum is σ = 286427400. Its totient is φ = 73652688.

The previous prime is 155489071. The next prime is 155489107. The reversal of 155489084 is 480984551.

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, 1022879 + ... + 1023030.

It is an arithmetic number, because the mean of its divisors is an integer number (23868950).

Almost surely, 2^155489084 is an apocalyptic number.

It is an amenable number.

155489084 is a deficient number, since it is larger than the sum of its proper divisors (130938316).

155489084 is a wasteful number, since it uses less digits than its factorization.

155489084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045932 (or 2045930 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 44.

The square root of 155489084 is about 12469.5262139345. The cubic root of 155489084 is about 537.7329326808.

The spelling of 155489084 in words is "one hundred fifty-five million, four hundred eighty-nine thousand, eighty-four".