155226488 has 8 divisors (see below), whose sum is σ = 291049680. Its totient is φ = 77613240.

The previous prime is 155226457. The next prime is 155226493. The reversal of 155226488 is 884622551.

It is a happy number.

155226488 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9701648 + ... + 9701663.

It is an arithmetic number, because the mean of its divisors is an integer number (36381210).

Almost surely, 2^155226488 is an apocalyptic number.

It is an amenable number.

155226488 is a deficient number, since it is larger than the sum of its proper divisors (135823192).

155226488 is a wasteful number, since it uses less digits than its factorization.

155226488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19403317 (or 19403313 counting only the distinct ones).

The product of its digits is 153600, while the sum is 41.

The square root of 155226488 is about 12458.9922545927. The cubic root of 155226488 is about 537.4300473594.

The spelling of 155226488 in words is "one hundred fifty-five million, two hundred twenty-six thousand, four hundred eighty-eight".