145350540 has 72 divisors (see below), whose sum is σ = 443242800. Its totient is φ = 38553984.

The previous prime is 145350533. The next prime is 145350559. The reversal of 145350540 is 45053541.

It is a super-2 number, since 2×145350540² = 42253558956583200, which contains 22 as substring.

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, 33411 + ... + 37509.

It is an arithmetic number, because the mean of its divisors is an integer number (6156150).

Almost surely, 2^145350540 is an apocalyptic number.

145350540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145350540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221621400).

145350540 is an abundant number, since it is smaller than the sum of its proper divisors (297892260).

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

145350540 is a wasteful number, since it uses less digits than its factorization.

145350540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4311 (or 4306 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 145350540 is about 12056.1411736924. The cubic root of 145350540 is about 525.7818011931.

The spelling of 145350540 in words is "one hundred forty-five million, three hundred fifty thousand, five hundred forty".