153213780 has 48 divisors (see below), whose sum is σ = 442842624. Its totient is φ = 39538560.

The previous prime is 153213769. The next prime is 153213803. The reversal of 153213780 is 87312351.

It is a super-3 number, since 3×153213780³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 39327 + ... + 43046.

It is an arithmetic number, because the mean of its divisors is an integer number (9225888).

Almost surely, 2^153213780 is an apocalyptic number.

153213780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153213780 is an abundant number, since it is smaller than the sum of its proper divisors (289628844).

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

153213780 is a wasteful number, since it uses less digits than its factorization.

153213780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82416 (or 82414 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 153213780 is about 12377.9554046700. The cubic root of 153213780 is about 535.0971145800.

The spelling of 153213780 in words is "one hundred fifty-three million, two hundred thirteen thousand, seven hundred eighty".