149552249 has 24 divisors (see below), whose sum is σ = 197776320. Its totient is φ = 110388960.

The previous prime is 149552231. The next prime is 149552269. The reversal of 149552249 is 942255941.

It is not a de Polignac number, because 149552249 - 2¹⁶ = 149486713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149552209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11447 + ... + 20739.

It is an arithmetic number, because the mean of its divisors is an integer number (8240680).

Almost surely, 2^149552249 is an apocalyptic number.

149552249 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

149552249 is a deficient number, since it is larger than the sum of its proper divisors (48224071).

149552249 is a wasteful number, since it uses less digits than its factorization.

149552249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9341 (or 9330 counting only the distinct ones).

The product of its digits is 129600, while the sum is 41.

The square root of 149552249 is about 12229.1556944868. The cubic root of 149552249 is about 530.8000838667.

The spelling of 149552249 in words is "one hundred forty-nine million, five hundred fifty-two thousand, two hundred forty-nine".