153420450 has 48 divisors (see below), whose sum is σ = 385722336. Its totient is φ = 40348800.

The previous prime is 153420331. The next prime is 153420451. The reversal of 153420450 is 54024351.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 153420450.

It is not an unprimeable number, because it can be changed into a prime (153420451) 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, 3945 + ... + 17955.

It is an arithmetic number, because the mean of its divisors is an integer number (8035882).

Almost surely, 2^153420450 is an apocalyptic number.

153420450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 153420450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192861168).

153420450 is an abundant number, since it is smaller than the sum of its proper divisors (232301886).

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

153420450 is a wasteful number, since it uses less digits than its factorization.

153420450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14099 (or 14094 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 153420450 is about 12386.3009005918. The cubic root of 153420450 is about 535.3376039007.

The spelling of 153420450 in words is "one hundred fifty-three million, four hundred twenty thousand, four hundred fifty".