145435613 has 4 divisors (see below), whose sum is σ = 146197248. Its totient is φ = 144673980.

The previous prime is 145435583. The next prime is 145435639. The reversal of 145435613 is 316534541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145435613 - 2¹⁴ = 145419229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 145435613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145435643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380531 + ... + 380912.

It is an arithmetic number, because the mean of its divisors is an integer number (36549312).

Almost surely, 2^145435613 is an apocalyptic number.

It is an amenable number.

145435613 is a deficient number, since it is larger than the sum of its proper divisors (761635).

145435613 is an equidigital number, since it uses as much as digits as its factorization.

145435613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761634.

The product of its digits is 21600, while the sum is 32.

The square root of 145435613 is about 12059.6688594671. The cubic root of 145435613 is about 525.8843604068.

The spelling of 145435613 in words is "one hundred forty-five million, four hundred thirty-five thousand, six hundred thirteen".