147421431538450 has 36 divisors (see below), whose sum is σ = 289395212428890. Its totient is φ = 55864963523520.

The previous prime is 147421431538441. The next prime is 147421431538483. The reversal of 147421431538450 is 54835134124741.

It can be written as a sum of positive squares in 3 ways, for example, as 134247515229529 + 13173916308921 = 11586523^2 + 3629589^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4083678115 + ... + 4083714214.

Almost surely, 2^{147421431538450} is an apocalyptic number.

147421431538450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147421431538450 is a deficient number, since it is larger than the sum of its proper divisors (141973780890440).

147421431538450 is a wasteful number, since it uses less digits than its factorization.

147421431538450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8167392379 (or 8167392355 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 52.

The spelling of 147421431538450 in words is "one hundred forty-seven trillion, four hundred twenty-one billion, four hundred thirty-one million, five hundred thirty-eight thousand, four hundred fifty".