145281795 has 32 divisors (see below), whose sum is σ = 242358528. Its totient is φ = 74245248.

The previous prime is 145281769. The next prime is 145281797. The reversal of 145281795 is 597182541.

It is not a de Polignac number, because 145281795 - 2¹⁰ = 145280771 is a prime.

It is a super-2 number, since 2×145281795² = 42213599916844050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145281797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35232 + ... + 39138.

It is an arithmetic number, because the mean of its divisors is an integer number (7573704).

Almost surely, 2^145281795 is an apocalyptic number.

145281795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145281795 is a deficient number, since it is larger than the sum of its proper divisors (97076733).

145281795 is a wasteful number, since it uses less digits than its factorization.

145281795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4019.

The product of its digits is 100800, while the sum is 42.

The square root of 145281795 is about 12053.2897998845. The cubic root of 145281795 is about 525.6988968576.

The spelling of 145281795 in words is "one hundred forty-five million, two hundred eighty-one thousand, seven hundred ninety-five".