145604037965 has 8 divisors (see below), whose sum is σ = 174868896408. Its totient is φ = 116387196480.

The previous prime is 145604037949. The next prime is 145604037967. The reversal of 145604037965 is 569730406541.

It can be written as a sum of positive squares in 4 ways, for example, as 17444333929 + 128159704036 = 132077^2 + 357994^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145604037965 - 2⁴ = 145604037949 is a prime.

It is a super-2 number, since 2×145604037965² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145604037967) 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, 11997566 + ... + 12009695.

It is an arithmetic number, because the mean of its divisors is an integer number (21858612051).

Almost surely, 2^145604037965 is an apocalyptic number.

It is an amenable number.

145604037965 is a deficient number, since it is larger than the sum of its proper divisors (29264858443).

145604037965 is a wasteful number, since it uses less digits than its factorization.

145604037965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24008479.

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 145604037965 in words is "one hundred forty-five billion, six hundred four million, thirty-seven thousand, nine hundred sixty-five".