155363420 has 12 divisors (see below), whose sum is σ = 326263224. Its totient is φ = 62145360.

The previous prime is 155363387. The next prime is 155363441. The reversal of 155363420 is 24363551.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3884066 + ... + 3884105.

It is an arithmetic number, because the mean of its divisors is an integer number (27188602).

Almost surely, 2^155363420 is an apocalyptic number.

155363420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155363420 is an abundant number, since it is smaller than the sum of its proper divisors (170899804).

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

155363420 is a wasteful number, since it uses less digits than its factorization.

155363420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7768180 (or 7768178 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 155363420 is about 12464.4863512300. The cubic root of 155363420 is about 537.5880310116.

The spelling of 155363420 in words is "one hundred fifty-five million, three hundred sixty-three thousand, four hundred twenty".