145675519 has 8 divisors (see below), whose sum is σ = 159586560. Its totient is φ = 131875800.

The previous prime is 145675507. The next prime is 145675547. The reversal of 145675519 is 915576541.

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

It is a cyclic number.

It is not a de Polignac number, because 145675519 - 2¹⁷ = 145544447 is a prime.

It is a super-2 number, since 2×145675519² = 42442713671838722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145675319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25077 + ... + 30334.

It is an arithmetic number, because the mean of its divisors is an integer number (19948320).

Almost surely, 2^145675519 is an apocalyptic number.

145675519 is a deficient number, since it is larger than the sum of its proper divisors (13911041).

145675519 is a wasteful number, since it uses less digits than its factorization.

145675519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55661.

The product of its digits is 189000, while the sum is 43.

The square root of 145675519 is about 12069.6113856246. The cubic root of 145675519 is about 526.1733623068.

The spelling of 145675519 in words is "one hundred forty-five million, six hundred seventy-five thousand, five hundred nineteen".