154247849536 has 63 divisors (see below), whose sum is σ = 336516572203. Its totient is φ = 70096949120.

The previous prime is 154247849519. The next prime is 154247849537. The reversal of 154247849536 is 635948742451.

The square root of 154247849536 is 392744.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

Its product of digits (29030400) is a multiple of the sum of its prime factors (8960).

It is not an unprimeable number, because it can be changed into a prime (154247849537) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 34559241 + ... + 34563703.

Almost surely, 2^154247849536 is an apocalyptic number.

154247849536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

154247849536 is the 392744-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154247849536

154247849536 is an abundant number, since it is smaller than the sum of its proper divisors (182268722667).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154247849536 is an frugal number, since it uses more digits than its factorization.

154247849536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8960 (or 4476 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 58.

The spelling of 154247849536 in words is "one hundred fifty-four billion, two hundred forty-seven million, eight hundred forty-nine thousand, five hundred thirty-six".