155241402 has 8 divisors (see below), whose sum is σ = 310482816. Its totient is φ = 51747132.

The previous prime is 155241391. The next prime is 155241403. The reversal of 155241402 is 204142551.

It is a sphenic number, since it is the product of 3 distinct primes.

155241402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (155241403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12936778 + ... + 12936789.

It is an arithmetic number, because the mean of its divisors is an integer number (38810352).

Almost surely, 2^155241402 is an apocalyptic number.

155241402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

155241402 is a wasteful number, since it uses less digits than its factorization.

155241402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25873572.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 155241402 is about 12459.5907637450. The cubic root of 155241402 is about 537.4472587154.

Adding to 155241402 its reverse (204142551), we get a palindrome (359383953).

The spelling of 155241402 in words is "one hundred fifty-five million, two hundred forty-one thousand, four hundred two".