145883590 has 8 divisors (see below), whose sum is σ = 262590480. Its totient is φ = 58353432.

The previous prime is 145883567. The next prime is 145883597. The reversal of 145883590 is 95388541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145883597) 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, 7294170 + ... + 7294189.

It is an arithmetic number, because the mean of its divisors is an integer number (32823810).

Almost surely, 2^145883590 is an apocalyptic number.

145883590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145883590 is a deficient number, since it is larger than the sum of its proper divisors (116706890).

145883590 is a wasteful number, since it uses less digits than its factorization.

145883590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14588366.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 145883590 is about 12078.2279329378. The cubic root of 145883590 is about 526.4237574658.

The spelling of 145883590 in words is "one hundred forty-five million, eight hundred eighty-three thousand, five hundred ninety".