145793240 has 16 divisors (see below), whose sum is σ = 328034880. Its totient is φ = 58317280.

The previous prime is 145793239. The next prime is 145793243. The reversal of 145793240 is 42397541.

It is a self number, because there is not a number n which added to its sum of digits gives 145793240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145793243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1822376 + ... + 1822455.

It is an arithmetic number, because the mean of its divisors is an integer number (20502180).

Almost surely, 2^145793240 is an apocalyptic number.

145793240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145793240 is an abundant number, since it is smaller than the sum of its proper divisors (182241640).

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

145793240 is a wasteful number, since it uses less digits than its factorization.

145793240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3644842 (or 3644838 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 145793240 is about 12074.4871526703. The cubic root of 145793240 is about 526.3150584481.

The spelling of 145793240 in words is "one hundred forty-five million, seven hundred ninety-three thousand, two hundred forty".