145413602661 has 8 divisors (see below), whose sum is σ = 205289792064. Its totient is φ = 91239907520.

The previous prime is 145413602629. The next prime is 145413602699. The reversal of 145413602661 is 166206314541.

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 145413602661 - 2⁵ = 145413602629 is a prime.

It is a super-2 number, since 2×145413602661² (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 (145413603661) 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, 1425623505 + ... + 1425623606.

It is an arithmetic number, because the mean of its divisors is an integer number (25661224008).

Almost surely, 2^145413602661 is an apocalyptic number.

It is an amenable number.

145413602661 is a deficient number, since it is larger than the sum of its proper divisors (59876189403).

145413602661 is a wasteful number, since it uses less digits than its factorization.

145413602661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851247131.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 145413602661 in words is "one hundred forty-five billion, four hundred thirteen million, six hundred two thousand, six hundred sixty-one".