155223466 has 32 divisors (see below), whose sum is σ = 243233280. Its totient is φ = 74256000.

The previous prime is 155223461. The next prime is 155223487. The reversal of 155223466 is 664322551.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (155223461) 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, 1132950 + ... + 1133086.

It is an arithmetic number, because the mean of its divisors is an integer number (7601040).

Almost surely, 2^155223466 is an apocalyptic number.

155223466 is a deficient number, since it is larger than the sum of its proper divisors (88009814).

155223466 is a wasteful number, since it uses less digits than its factorization.

155223466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390.

The product of its digits is 43200, while the sum is 34.

The square root of 155223466 is about 12458.8709761358. The cubic root of 155223466 is about 537.4265597155.

The spelling of 155223466 in words is "one hundred fifty-five million, two hundred twenty-three thousand, four hundred sixty-six".