145375340 has 96 divisors (see below), whose sum is σ = 347493888. Its totient is φ = 50624000.

The previous prime is 145375319. The next prime is 145375379. The reversal of 145375340 is 43573541.

It is a super-2 number, since 2×145375340² = 42267978960231200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145375297 and 145375306.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 640307 + ... + 640533.

It is an arithmetic number, because the mean of its divisors is an integer number (3619728).

Almost surely, 2^145375340 is an apocalyptic number.

145375340 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 145375340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173746944).

145375340 is an abundant number, since it is smaller than the sum of its proper divisors (202118548).

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

145375340 is a wasteful number, since it uses less digits than its factorization.

145375340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 145375340 is about 12057.1696512905. The cubic root of 145375340 is about 525.8117028069.

The spelling of 145375340 in words is "one hundred forty-five million, three hundred seventy-five thousand, three hundred forty".