145740465 has 48 divisors (see below), whose sum is σ = 282155328. Its totient is φ = 71741376.

The previous prime is 145740421. The next prime is 145740479. The reversal of 145740465 is 564047541.

It is not a de Polignac number, because 145740465 - 2¹⁶ = 145674929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11182 + ... + 20408.

It is an arithmetic number, because the mean of its divisors is an integer number (5878236).

Almost surely, 2^145740465 is an apocalyptic number.

145740465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145740465 is a deficient number, since it is larger than the sum of its proper divisors (136414863).

145740465 is an equidigital number, since it uses as much as digits as its factorization.

145740465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9260 (or 9248 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 145740465 is about 12072.3015618398. The cubic root of 145740465 is about 526.2515446907.

The spelling of 145740465 in words is "one hundred forty-five million, seven hundred forty thousand, four hundred sixty-five".