145050140 has 24 divisors (see below), whose sum is σ = 307625472. Its totient is φ = 57444800.

The previous prime is 145050119. The next prime is 145050149. The reversal of 145050140 is 41050541.

145050140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145050140² = 42079086228039200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145050149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33884 + ... + 37923.

It is an arithmetic number, because the mean of its divisors is an integer number (12817728).

Almost surely, 2^145050140 is an apocalyptic number.

145050140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145050140 is an abundant number, since it is smaller than the sum of its proper divisors (162575332).

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

145050140 is a wasteful number, since it uses less digits than its factorization.

145050140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71917 (or 71915 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 145050140 is about 12043.6763490223. The cubic root of 145050140 is about 525.4193354193.

It can be divided in two parts, 1450501 and 40, that added together give a palindrome (1450541).

The spelling of 145050140 in words is "one hundred forty-five million, fifty thousand, one hundred forty".