145453950 has 72 divisors (see below), whose sum is σ = 399927528. Its totient is φ = 37880640.

The previous prime is 145453943. The next prime is 145453963. The reversal of 145453950 is 59354541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15592 + ... + 23108.

It is an arithmetic number, because the mean of its divisors is an integer number (5554549).

Almost surely, 2^145453950 is an apocalyptic number.

145453950 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 145453950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199963764).

145453950 is an abundant number, since it is smaller than the sum of its proper divisors (254473578).

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

145453950 is a wasteful number, since it uses less digits than its factorization.

145453950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7578 (or 7570 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 145453950 is about 12060.4290968439. The cubic root of 145453950 is about 525.9064612207.

The spelling of 145453950 in words is "one hundred forty-five million, four hundred fifty-three thousand, nine hundred fifty".