146851436945 has 8 divisors (see below), whose sum is σ = 176229361320. Its totient is φ = 117476058240.

The previous prime is 146851436939. The next prime is 146851436959. The reversal of 146851436945 is 549634158641.

It is a happy number.

It is a Cunningham number, because it is equal to 383212²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 35369572624 + 111481864321 = 188068^2 + 333889^2 .

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

It is not a de Polignac number, because 146851436945 - 2³⁴ = 129671567761 is a prime.

It is a super-4 number, since 4×146851436945⁴ (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507116 + ... + 742205.

It is an arithmetic number, because the mean of its divisors is an integer number (22028670165).

Almost surely, 2^146851436945 is an apocalyptic number.

It is an amenable number.

146851436945 is a deficient number, since it is larger than the sum of its proper divisors (29377924375).

146851436945 is a wasteful number, since it uses less digits than its factorization.

146851436945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272835.

The product of its digits is 12441600, while the sum is 56.

The spelling of 146851436945 in words is "one hundred forty-six billion, eight hundred fifty-one million, four hundred thirty-six thousand, nine hundred forty-five".