163245450 has 48 divisors (see below), whose sum is σ = 408473856. Its totient is φ = 43142400.

The previous prime is 163245431. The next prime is 163245469. The reversal of 163245450 is 54542361.

It is an interprime number because it is at equal distance from previous prime (163245431) and next prime (163245469).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12135 + ... + 21765.

It is an arithmetic number, because the mean of its divisors is an integer number (8509872).

Almost surely, 2^163245450 is an apocalyptic number.

163245450 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 163245450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204236928).

163245450 is an abundant number, since it is smaller than the sum of its proper divisors (245228406).

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

163245450 is a wasteful number, since it uses less digits than its factorization.

163245450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9759 (or 9754 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 163245450 is about 12776.7542826807. The cubic root of 163245450 is about 546.5296086272.

The spelling of 163245450 in words is "one hundred sixty-three million, two hundred forty-five thousand, four hundred fifty".