145021050 has 192 divisors, whose sum is σ = 433900800. Its totient is φ = 35481600.

The previous prime is 145021039. The next prime is 145021073. The reversal of 145021050 is 50120541.

145021050 is a `hidden beast` number, since 1 + 450 + 210 + 5 + 0 = 666.

It is a super-2 number, since 2×145021050² = 42062209886205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 95 ways as a sum of consecutive naturals, for example, 1629406 + ... + 1629494.

It is an arithmetic number, because the mean of its divisors is an integer number (2259900).

Almost surely, 2^145021050 is an apocalyptic number.

145021050 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 145021050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216950400).

145021050 is an abundant number, since it is smaller than the sum of its proper divisors (288879750).

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

145021050 is a wasteful number, since it uses less digits than its factorization.

145021050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 145021050 is about 12042.4686007479. The cubic root of 145021050 is about 525.3842085536.

Adding to 145021050 its reverse (50120541), we get a palindrome (195141591).

It can be divided in two parts, 1450 and 21050, that added together give a square (22500 = 150²).

The spelling of 145021050 in words is "one hundred forty-five million, twenty-one thousand, fifty".