155226726 has 16 divisors (see below), whose sum is σ = 344948400. Its totient is φ = 51742224.

The previous prime is 155226707. The next prime is 155226727. The reversal of 155226726 is 627622551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155226727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1437231 + ... + 1437338.

It is an arithmetic number, because the mean of its divisors is an integer number (21559275).

Almost surely, 2^155226726 is an apocalyptic number.

155226726 is an abundant number, since it is smaller than the sum of its proper divisors (189721674).

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

155226726 is a wasteful number, since it uses less digits than its factorization.

155226726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874580 (or 2874574 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 155226726 is about 12459.0018059233. The cubic root of 155226726 is about 537.4303220296.

The spelling of 155226726 in words is "one hundred fifty-five million, two hundred twenty-six thousand, seven hundred twenty-six".