145220950 has 48 divisors (see below), whose sum is σ = 312480000. Its totient is φ = 49180320.

The previous prime is 145220927. The next prime is 145220963. The reversal of 145220950 is 59022541.

It is a congruent number.

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, 26551 + ... + 31549.

It is an arithmetic number, because the mean of its divisors is an integer number (6510000).

Almost surely, 2^145220950 is an apocalyptic number.

145220950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145220950 is an abundant number, since it is smaller than the sum of its proper divisors (167259050).

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

145220950 is a wasteful number, since it uses less digits than its factorization.

145220950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5101 (or 5096 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 145220950 is about 12050.7655358487. The cubic root of 145220950 is about 525.6254978568.

The spelling of 145220950 in words is "one hundred forty-five million, two hundred twenty thousand, nine hundred fifty".