145606043613 has 8 divisors (see below), whose sum is σ = 205561473408. Its totient is φ = 91360654784.

The previous prime is 145606043603. The next prime is 145606043633. The reversal of 145606043613 is 316340606541.

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 145606043613 - 2⁶ = 145606043549 is a prime.

It is a super-2 number, since 2×145606043613² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145606043603) 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, 1427510181 + ... + 1427510282.

It is an arithmetic number, because the mean of its divisors is an integer number (25695184176).

Almost surely, 2^145606043613 is an apocalyptic number.

It is an amenable number.

145606043613 is a deficient number, since it is larger than the sum of its proper divisors (59955429795).

145606043613 is a wasteful number, since it uses less digits than its factorization.

145606043613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2855020483.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 145606043613 in words is "one hundred forty-five billion, six hundred six million, forty-three thousand, six hundred thirteen".