154421491092368 has 40 divisors (see below), whose sum is σ = 300216145879608. Its totient is φ = 76946362601472.

The previous prime is 154421491092367. The next prime is 154421491092391. The reversal of 154421491092368 is 863290194124451.

It can be written as a sum of positive squares in 4 ways, for example, as 549573134224 + 153871917958144 = 741332^2 + 12404512^2 .

It is a super-2 number, since 2×154421491092368² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (154421491092367) 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, 696118046 + ... + 696339842.

Almost surely, 2^{154421491092368} is an apocalyptic number.

It is an amenable number.

154421491092368 is a deficient number, since it is larger than the sum of its proper divisors (145794654787240).

154421491092368 is a wasteful number, since it uses less digits than its factorization.

154421491092368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370611 (or 370605 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 59.

The spelling of 154421491092368 in words is "one hundred fifty-four trillion, four hundred twenty-one billion, four hundred ninety-one million, ninety-two thousand, three hundred sixty-eight".