149898853 has 8 divisors (see below), whose sum is σ = 163095128. Its totient is φ = 136940544.

The previous prime is 149898841. The next prime is 149898937. The reversal of 149898853 is 358898941.

It can be written as a sum of positive squares in 4 ways, for example, as 12376324 + 137522529 = 3518^2 + 11727^2 .

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

It is not a de Polignac number, because 149898853 - 2⁹ = 149898341 is a prime.

It is a super-2 number, since 2×149898853² = 44939332261431218, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149898794 and 149898803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149898823) 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, 58176 + ... + 60697.

It is an arithmetic number, because the mean of its divisors is an integer number (20386891).

Almost surely, 2^149898853 is an apocalyptic number.

149898853 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

149898853 is a deficient number, since it is larger than the sum of its proper divisors (13196275).

149898853 is a wasteful number, since it uses less digits than its factorization.

149898853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118983.

The product of its digits is 2488320, while the sum is 55.

The square root of 149898853 is about 12243.3187085855. The cubic root of 149898853 is about 531.2098302637.

The spelling of 149898853 in words is "one hundred forty-nine million, eight hundred ninety-eight thousand, eight hundred fifty-three".