155212362 has 48 divisors (see below), whose sum is σ = 354725280. Its totient is φ = 50851152.

The previous prime is 155212361. The next prime is 155212367. The reversal of 155212362 is 263212551.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (155212361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25968 + ... + 31380.

It is an arithmetic number, because the mean of its divisors is an integer number (7390110).

Almost surely, 2^155212362 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155212362, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177362640).

155212362 is an abundant number, since it is smaller than the sum of its proper divisors (199512918).

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

155212362 is an equidigital number, since it uses as much as digits as its factorization.

155212362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5489 (or 5477 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 155212362 is about 12458.4253419122. The cubic root of 155212362 is about 537.4137443705.

The spelling of 155212362 in words is "one hundred fifty-five million, two hundred twelve thousand, three hundred sixty-two".