145409235 has 16 divisors (see below), whose sum is σ = 232824480. Its totient is φ = 77495040.

The previous prime is 145409227. The next prime is 145409237. The reversal of 145409235 is 532904541.

It is not a de Polignac number, because 145409235 - 2³ = 145409227 is a prime.

It is a super-2 number, since 2×145409235² = 42287691246570450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145409196 and 145409205.

It is not an unprimeable number, because it can be changed into a prime (145409237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25311 + ... + 30519.

It is an arithmetic number, because the mean of its divisors is an integer number (14551530).

Almost surely, 2^145409235 is an apocalyptic number.

145409235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145409235 is a deficient number, since it is larger than the sum of its proper divisors (87415245).

145409235 is a wasteful number, since it uses less digits than its factorization.

145409235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7078.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 145409235 is about 12058.5751645872. The cubic root of 145409235 is about 525.8525648557.

The spelling of 145409235 in words is "one hundred forty-five million, four hundred nine thousand, two hundred thirty-five".