145395131 has 8 divisors (see below), whose sum is σ = 167719680. Its totient is φ = 123459048.

The previous prime is 145395119. The next prime is 145395137. The reversal of 145395131 is 131593541.

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 145395131 - 2¹⁰ = 145394107 is a prime.

It is a super-2 number, since 2×145395131² = 42279488237014322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145395137) 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, 96311 + ... + 97808.

It is an arithmetic number, because the mean of its divisors is an integer number (20964960).

Almost surely, 2^145395131 is an apocalyptic number.

145395131 is a deficient number, since it is larger than the sum of its proper divisors (22324549).

145395131 is a wasteful number, since it uses less digits than its factorization.

145395131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194233.

The product of its digits is 8100, while the sum is 32.

The square root of 145395131 is about 12057.9903383607. The cubic root of 145395131 is about 525.8355625784.

The spelling of 145395131 in words is "one hundred forty-five million, three hundred ninety-five thousand, one hundred thirty-one".