149948578203 has 4 divisors (see below), whose sum is σ = 199931437608. Its totient is φ = 99965718800.

The previous prime is 149948578187. The next prime is 149948578211. The reversal of 149948578203 is 302875849941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 149948578203 - 2⁴ = 149948578187 is a prime.

It is a super-2 number, since 2×149948578203² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149948578603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24991429698 + ... + 24991429703.

It is an arithmetic number, because the mean of its divisors is an integer number (49982859402).

Almost surely, 2^149948578203 is an apocalyptic number.

149948578203 is a deficient number, since it is larger than the sum of its proper divisors (49982859405).

149948578203 is an equidigital number, since it uses as much as digits as its factorization.

149948578203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49982859404.

The product of its (nonzero) digits is 17418240, while the sum is 60.

The spelling of 149948578203 in words is "one hundred forty-nine billion, nine hundred forty-eight million, five hundred seventy-eight thousand, two hundred three".