155288334 has 32 divisors (see below), whose sum is σ = 319893120. Its totient is φ = 50218272.

The previous prime is 155288333. The next prime is 155288339. The reversal of 155288334 is 433882551.

It is a super-2 number, since 2×155288334² = 48228933352991112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 155288292 and 155288301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155288333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97557 + ... + 99135.

It is an arithmetic number, because the mean of its divisors is an integer number (9996660).

Almost surely, 2^155288334 is an apocalyptic number.

155288334 is an abundant number, since it is smaller than the sum of its proper divisors (164604786).

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

155288334 is a wasteful number, since it uses less digits than its factorization.

155288334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064.

The product of its digits is 115200, while the sum is 39.

The square root of 155288334 is about 12461.4739898617. The cubic root of 155288334 is about 537.5014129402.

The spelling of 155288334 in words is "one hundred fifty-five million, two hundred eighty-eight thousand, three hundred thirty-four".