149350881 has 4 divisors (see below), whose sum is σ = 199134512. Its totient is φ = 99567252.

The previous prime is 149350879. The next prime is 149350909. The reversal of 149350881 is 188053941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 149350881 - 2¹ = 149350879 is a prime.

It is a super-2 number, since 2×149350881² = 44611371310952322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149350871) 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, 24891811 + ... + 24891816.

It is an arithmetic number, because the mean of its divisors is an integer number (49783628).

Almost surely, 2^149350881 is an apocalyptic number.

It is an amenable number.

149350881 is a deficient number, since it is larger than the sum of its proper divisors (49783631).

149350881 is an equidigital number, since it uses as much as digits as its factorization.

149350881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49783630.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 149350881 is about 12220.9198098997. The cubic root of 149350881 is about 530.5617409442.

The spelling of 149350881 in words is "one hundred forty-nine million, three hundred fifty thousand, eight hundred eighty-one".