149944581829 has 8 divisors (see below), whose sum is σ = 171421244288. Its totient is φ = 128481921360.

The previous prime is 149944581793. The next prime is 149944581833. The reversal of 149944581829 is 928185449941.

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

It is a cyclic number.

It is not a de Polignac number, because 149944581829 - 2¹⁵ = 149944549061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149944581859) 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, 3477537 + ... + 3520390.

It is an arithmetic number, because the mean of its divisors is an integer number (21427655536).

Almost surely, 2^149944581829 is an apocalyptic number.

It is an amenable number.

149944581829 is a deficient number, since it is larger than the sum of its proper divisors (21476662459).

149944581829 is an equidigital number, since it uses as much as digits as its factorization.

149944581829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7000995.

The product of its digits is 29859840, while the sum is 64.

The spelling of 149944581829 in words is "one hundred forty-nine billion, nine hundred forty-four million, five hundred eighty-one thousand, eight hundred twenty-nine".